# A063032 (b-file synthesized from sequence entry)
0 0
1 1
2 1
3 3
4 9
5 31
6 112
7 422
8 1635
9 6473
10 26059
11 106327
12 438633
13 1826139
14 7661696
15 32358548
16 137447482
17 586747512
18 2515770639
19 10828744149
20 46772289354
21 202649880510
22 880475437710
23 3835178089380
24 16743665584620