# A367474 (b-file synthesized from sequence entry) 0 1 1 4 2 28 3 272 4 3360 5 50256 6 881616 7 17734944 8 402278496 9 10155145344 10 282329361024 11 8570500876032 12 282047266728192 13 10001430040080384 14 380152962804068352 15 15418451851593596928 16 664633482628021493760 17 30342827915683778027520