61870

Appears in sequences

• Numbers n such that in binary representation n is a substring of the n-th prime.at n=19A091020
• a(n) = Sum_{k=0..n} binomial(n,n-k)*n^(n-k)*n!/(n-k)!.at n=5A277373
• a(n) = n! * Laguerre(n,-5).at n=5A289211
• Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) = n!*LaguerreL(n, -k*n).at n=26A338435
• T(n, k) = n! * [x^n] exp(k * x/(1 - x))/(1 - x). Triangle read by rows, T(n, k) for 0 <= k <= n.at n=20A344048