# A049134 (b-file synthesized from sequence entry)
1 1
2 1
3 2
4 6
5 22
6 90
7 394
8 1805
9 8538
10 41344
11 203790
12 1018562
13 5148110
14 26261120
15 135005708
16 698686953
17 3636870218
18 19027686362
19 100002510548
20 527713256528
21 2794955279330
22 14852320704712
23 79164310947304
24 423126034866776