# A074707 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 19
4 214
5 3846
6 102206
7 3795758
8 188648664
9 12125977944
10 980768153832
11 97599402813672
12 11728820086206576
13 1675575398007779568
14 280777781273956353648
15 54556438705747006028016
16 12169284368165386948212096
17 3088938134820388829982311808