# A135921 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 13
4 81
5 669
6 6955
7 88505
8 1346209
9 23998521
10 493956467
11 11596542533
12 307301505073
13 9110471500693
14 299893197116059
15 10888674034993905
16 433549376981078593
17 18833037527449398129
18 888439543634687700579