# A187806 (b-file synthesized from sequence entry)
0 1
1 2
2 7
3 39
4 314
5 3388
6 46409
7 776267
8 15406059
9 354928082
10 9330754204
11 276092552520
12 9092298247070
13 330151121828252
14 13114259187006717
15 566025800996830823
16 26391137839213285415
17 1322515573450223865750
18 70912312814053387968103
19 4052279260763983306587339