# A100389 (b-file synthesized from sequence entry)
0 1
1 0
2 1
3 3
4 12
5 47
6 195
7 864
8 4119
9 21113
10 115920
11 678481
12 4213453
13 27644204
14 190898945
15 1382957935
16 10480141160
17 82864868207
18 682076803575
19 5832742200876
20 51724158228607
21 474869816145805
22 4506715738429612
23 44152005855055689
24 445958869294758921
25 4638590332229924328