# A138545 (b-file synthesized from sequence entry)
0 1
1 0
2 3
3 1
4 27
5 26
6 385
7 708
8 7231
9 20296
10 164277
11 608565
12 4286161
13 19021302
14 123867107
15 617758729
16 3862576095
17 20774382552
18 127548675709
19 720773229015
20 4401180707397
21 25709943020830
22 157204921750191
23 939751281408962