63282domain: NAppears in sequencesT(2n,n), array T given by A047050.at n=7A047059Expansion of Product_{k>=1} 1/(1 - x^k)^(mod(k,3)).at n=40A301589a(n) = 1944*n^2 - 5016*n + 3138 (n >= 1).at n=6A304838