# A171779 (b-file synthesized from sequence entry) 0 1 1 1 2 4 3 38 4 693 5 21294 6 1011792 7 69920766 8 6710698740 9 862907887944 10 144436271624388 11 30735209866458888 12 8152133649148990080 13 2650418681465362135392 14 1041182371767985227729504