# A000767 (b-file synthesized from sequence entry)
2 16
3 192
4 2016
5 20160
6 197940
7 1930944
8 18805488
9 183156320
10 1785303660
11 17421627280
12 170214459928
13 1665089608504
14 16307758577692
15 159896665015064