21878089479
domain: N
Appears in sequences
- Central factorial numbers: 1st subdiagonal of A008956.at n=6A001824
- Triangle of central factorial numbers |4^k t(2n+1,2n+1-2k)| read by rows (n>=0, k=0..n).at n=34A008956
- Table of the number of (n,k)-Riordan complexes, read by rows.at n=29A160563
- Square array T(n,k), n>=0, k>=0, read by antidiagonals: T(n,k) = ((2n-1)!!)^k * Sum_{i=1..n} 1/(2*i-1)^k.at n=52A291656