Column 1 of triangular matrix A246381 = exp(L) where L(n,k) = C(2*n, 2*k+1)/2.

A246383

Column 1 of triangular matrix A246381 = exp(L) where L(n,k) = C(2*n, 2*k+1)/2.

Terms

    a(0) =1a(1) =2a(2) =13a(3) =80a(4) =701a(5) =7680a(6) =100519a(7) =1571040a(8) =28717865a(9) =603257920a(10) =14416329195a(11) =388260739088

External references