Third column of A126671.

Terms

a(0) =0a(1) =11a(2) =46a(3) =274a(4) =1956a(5) =16008a(6) =147120a(7) =1498320a(8) =16742880a(9) =203656320a(10) =2678780160a(11) =37888300800a(12) =573444748800