# A150436 (b-file synthesized from sequence entry)
0 1
1 2
2 7
3 24
4 99
5 407
6 1776
7 7835
8 35400
9 161472
10 746382
11 3474604
12 16300338
13 76908464
14 364715409
15 1736718508
16 8301812970
17 39807939808
18 191423730408
19 922824490028
20 4458571378237
21 21583898594952
22 104676864185763
23 508468611377079
24 2473498648120590
25 12048802278297781
26 58762633391661819
27 286908179389872434