7128576
domain: N
Appears in sequences
- Square array read by antidiagonals downwards: super Patalan numbers of order 4.at n=38A248325
- Triangle read by rows, expansion of e.g.f. exp(x*(exp(z)/3 + 2*exp(-z/2)* cos(z*sqrt(3)/2)/3 - 1)), nonzero coefficients of z.at n=24A291451
- a(n) = A291451(2*n, n).at n=3A327417
- a(n) = n * 2^n * binomial(3*n, n).at n=6A378780