# A150221 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 21
4 83
5 349
6 1528
7 6885
8 31663
9 147881
10 698854
11 3333119
12 16013223
13 77383680
14 375742768
15 1831622869
16 8957731740
17 43928634211
18 215923994375
19 1063428003467
20 5246221788939
21 25918820316508
22 128212232578680
23 634919400291523
24 3147189891410274
25 15613197779383373
26 77514351786069528