293661065788
domain: N
Appears in sequences
- Doubly restricted composition numbers: number of compositions of 1+2+3+...+n = n(n+1)/2 into exactly n positive integers each no more than n.at n=12A077045
- Largest coefficient of (1 + x + ... + x^11)^n.at n=12A225779
- a(n) is the constant term in the expansion of ( Sum_{k=1..n} x_k^(2*k-1) + x_k^(-(2*k-1)) )^(2*n).at n=6A329021