20965
domain: N
Appears in sequences
- Sum of 10 nonzero 8th powers.at n=35A003388
- Numbers k such that k, k+1, k+2 and k+3 have the same number of divisors.at n=27A006601
- Convolution of A000295(n+2) (n>=0) with itself.at n=8A034009
- Numbers n > 13 such that x^n + x^13 + x^12 + x^11 + x^10 + x^9 + x^8 + x^7 + x^6 + x^5 + x^4 + x^3 + x^2 + x + 1 is irreducible over GF(2).at n=41A057489
- Bisection of Lucas triangle A060922: even-indexed members of column sequences of A060922 (not counting leading zeros).at n=32A060923
- Fourth convolution of Lucas numbers A000032(n+1), n >= 0.at n=6A060931
- Number of 8 X n binary arrays without the pattern 0 1 diagonally, vertically, antidiagonally or horizontally.at n=13A188559
- 1000-gonal numbers: a(n) = n*(499*n - 498).at n=7A195163
- Number of partitions of n, where the difference between the number of odd parts and the number of even parts is 3.at n=50A240012
- G.f. A(x) satisfies: A(x) = x + x^2 * exp(A(x) + A(-x^2)/2 + A(x^3)/3 + A(-x^4)/4 + ...).at n=20A345235