# A037098 (b-file synthesized from sequence entry)
0 0
1 1
2 3
3 16
4 71
5 345
6 1624
7 17121
8 71577
9 345342
10 1624171
11 17121011
12 71577060
13 345342131
14 1624173733
15 17331156576
16 71473314601
17 345325637555
18 3624144315044
19 16333160460471
20 71272765314407