# A126681 (b-file synthesized from sequence entry)
5 1
6 15
7 2100
8 2205000
9 15326955000
10 651778761375000
11 160813373794053750000
12 221825967811517742750000000
13 1665580501138748782956117750000000
14 66748196878452897333173822295371250000000
15 14068311871625131535989260349822728619050000000000
16 15421550528128282332258412096965369287417159977500000000000