# A213263 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 2
5 5
6 12
7 30
8 80
9 219
10 609
11 1724
12 4953
13 14388
14 42193
15 124768
16 371602
17 1113667
18 3356017
19 10162979
20 30911457
21 94390590
22 289258448
23 889304859
24 2742205395
25 8478653638
26 26280715255
27 81648362339
28 254204771596
29 793011895972
30 2478427376313
31 7759251412310