# A216703 (b-file synthesized from sequence entry)
0 1
1 42
2 1911
3 89180
4 4213755
5 200574738
6 9594158301
7 460519598448
8 22162505675310
9 1068725273676060
10 51619430718553698
11 2496503376570051576
12 120872371815599997138
13 5857661095679076784380
14 284096563140435224042430
15 13788153197749122873525936