# A115088 (b-file synthesized from sequence entry)
0 1
1 3
2 7
3 32
4 158
5 933
6 5939
7 41385
8 306070
9 2403792
10 19799468
11 170676213
12 1530176012
13 14235081941
14 136908376331
15 1358591876186
16 13876456179864
17 145643421890800
18 1568070473632644
19 17295212337571836
20 195161233968831068