52268

Appears in sequences

• Restricted permutations.at n=15A000382
• Column 0 of triangular matrix defined by exp(L) where L(n,k) = C(2*n, 2*k+1).at n=6A246386
• Number T(n,k) of partitions of [n] having exactly k parity changes within their blocks, n>=0, 0<=k<=max(0,n-1), read by rows.at n=57A363493
• Number of partitions of [n] having exactly one parity change within their blocks.at n=11A363511