98810domain: NAppears in sequences"AFJ" (ordered, size, labeled) transform of 2,2,2,2,...at n=9A032000Triangle T(n, k) = T(n-1, k) + T(n-1, k-1) + ((n+1)*(n+2)*(2*n+3)*(3*n^2+9*n+5)/30)*T(n-2, k-1), read by rows.at n=12A154230