64889
domain: N
Appears in sequences
- Coefficient of x^4 in expansion of (1+x+x^2)^n.at n=32A005712
- Terminating decimals of length n of form p/5^q using at most one of each nonzero digit.at n=16A027905
- Number of reduced words of length n in the Weyl group A_9.at n=13A161457
- Number of reduced words of length n in the Weyl group A_9.at n=32A161457
- Totally multiplicative sequence with a(p) = a(p-1) + 8 for prime p.at n=40A166705
- Numbers m such that the Stern polynomial B(m,x) is irreducible and self-reciprocal.at n=21A186893
- a(n) = trinomial(2*n, 4) = (1/6)*n*(2*n - 1)*(2*n^2 + 7*n - 3).at n=17A302710