integer-sequences
Articles
- Pronic numberNumber, product of consecutive integers
- Mian–Chowla sequenceSequence of numbers with distinct sums
- Complete sequence
- Semiperfect numberNumber equal to the sum of all or some of its divisors
- Størmer numberNumber n where the highest prime factor of (n^2 + 1) is at least 2n
- Highly cototient number1 = Numbers k where x - phi(x) = k has many solutions
- Ulam numberMathematical sequence
- Leyland numberNumber of the form x^y + y^x
- Evil numberClass of binary number
- Ban numberClass of numbers not containing a particular letter in English
- Boustrophedon transformMathematical transformation on sequences
- Odious numberNumber with odd number of 1s in binary
- Euler numbersIntegers occurring in the coefficients of the Taylor series of 1/cosh t
- Lucky numberInteger filtered out using a sieve similar to that of Eratosthenes
- Lucas chainRestricted type of addition chain
- Super-Poulet numberType of Poulet number
- Super-Poulet numberType of Poulet number
- Nonhypotenuse numberNumber whose square is not the sum of 2 non-zero squares
- Alcuin's sequence
- Sphenic numberPositive integer that is the product of three distinct prime numbers
- Lucas–Carmichael numberType of positive composite integer
- Hofstadter sequenceAny of several recursively-defined integer sequences
- Hemiperfect numberNumber with a half-integer abundancy index
- Integer sequenceOrdered list of whole numbers
- Pronic numberNumber, product of consecutive integers
- Blum integerProduct of two distinct primes ≡ 3 (mod 4)
- Perfect totient numberNumber that is the sum of its iterated totients
- Pronic numberNumber, product of consecutive integers
- Bell numberCount of the possible partitions of a set
- Golomb sequenceSequence of integers
- Equidigital numberSame digit count as prime factorization
- Hemiperfect numberNumber with a half-integer abundancy index
- Integer sequenceOrdered list of whole numbers
- Semiperfect numberNumber equal to the sum of all or some of its divisors
- Unusual number
- Refactorable numberInteger divisible by the number of its divisors
- Achilles numberNumbers with special prime factorization
- Carmichael numberComposite number in number theory
- List of integer sequencesNone
- Euler numbersIntegers occurring in the coefficients of the Taylor series of 1/cosh t
- Euler numbersIntegers occurring in the coefficients of the Taylor series of 1/cosh t
- Hermite number
- Highly totient numberInteger that occurs often as a totient
- Superior highly composite numberClass of natural numbers with many divisors
- Leonardo numberSet of numbers used in the smoothsort algorithm
- Unitary perfect numberInteger which is the sum of its positive unitary divisors, not including itself
- Complete sequence
- Mian–Chowla sequenceSequence of numbers with distinct sums
- Padovan sequenceSequence of integers
- Jacobsthal numberNumbers in a type of Lucas sequence