631631

Appears in sequences

• Central factorial numbers: 2nd subdiagonal of A008958.at n=4A002453
• Triangle of central factorial numbers 4^k T(2n+1, 2n+1-2k).at n=25A008958
• Triangle of scaled central factorial numbers, T(n,k) = A008958(n,n-k).at n=23A160562
• A255454(2^n-1).at n=10A255455
• Number of excursions of length n with Motzkin-steps avoiding the consecutive steps UU, HH and DU.at n=28A329694
• Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where A(n,k) = (2*n+k)!/k! * [x^(2*n+k)] sinh(x)^k.at n=49A381512