# A274539 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 17
4 155
5 2079
6 38629
7 951187
8 29979753
9 1175837345
10 56066617331
11 3187704802281
12 212628685506643
13 16413606252207007
14 1449425836362499605
15 144977415195565990619
16 16285937949513614300369
17 2039447464767566886933057
18 282862729890000953318773603