1258291200
domain: N
Appears in sequences
- Coefficients of Chebyshev polynomials: n*(2*n+1) * 4^(n-1).at n=11A002700
- a(n) = 2^(n-2)*binomial(n+1,2).at n=22A052482
- Refactorable numbers x, such that quotient x/A000005(x) equals a power of 2.at n=30A078541
- Sequence associated with a(n) = 2*a(n-1) + k*(k+2)*a(n-2).at n=23A080929
- Expansion of (1-x+4*x^2)/(1-2*x)^2.at n=25A167667
- Number of n X 2 0..2 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling two exactly once.at n=12A268898
- a(n) = nim-product of 2^4 and 2^n.at n=30A335161