106744

Appears in sequences

• Sum of binomial(n,k) over cubefree k.at n=16A245269
• Number of Grassmannian permutations of size n that avoid a pattern, sigma, where sigma is a pattern of size 9 with exactly one descent.at n=18A362196
• E.g.f. satisfies A(x) = exp(x + x^2/2 * A(x)^2).at n=7A362474
• Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,k) = n! * Sum_{j=0..floor(n/2)} (k/2)^j * (2*j+1)^(n-j-1) / (j! * (n-2*j)!).at n=43A362483