# A116751 (b-file synthesized from sequence entry)
1 1
2 2
3 6
4 21
5 75
6 265
7 929
8 3249
9 11362
10 39746
11 139060
12 486549
13 1702349
14 5956172
15 20839367
16 72912441
17 255104933
18 892557394
19 3122866871
20 10926241348
21 38228574601
22 133753581322
23 467975086412
24 1637344431204
25 5728716901208