1210195domain: NAppears in sequencesa(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = (F(2), F(3), ...), t = (odd natural numbers).at n=38A024592Principal diagonal of the convolution array A213774.at n=19A213775