3779100domain: NAppears in sequencesExpansion of (1-4*x)^(19/2).at n=24A020931Triangle T(n, k) = (2*n+1)!! * 2^(floor((n-1)/2) + floor(k/2) + 1) * Beta(floor(n/2) + floor((k-1)/2) + 2, floor((n-1)/2) + floor(k/2) + 2), read by rows.at n=37A158868