# A249582 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 17
4 29
5 160
6 377
7 1377
8 4468
9 13369
10 46573
11 141440
12 469169
13 1499329
14 4795556
15 15600033
16 49731901
17 161026720
18 516993193
19 1663865633
20 5361647252
21 17231870281
22 55519546637
23 178586104320
24 574860647521
25 1850350458241
26 5954177494084
27 19166631789617
28 61680287845469