# A150754 (b-file synthesized from sequence entry)
0 1
1 2
2 8
3 29
4 129
5 535
6 2481
7 10920
8 51623
9 234730
10 1122285
11 5207410
12 25086020
13 118006138
14 571525224
15 2715031975
16 13201588382
17 63175979381
18 308125926722
19 1482898802721
20 7250043605165
21 35048497277894
22 171694388326633
23 833025387665248
24 4087498427245526
25 19890913275806299
26 97736369540950671