# A151042 (b-file synthesized from sequence entry)
0 1
1 3
2 9
3 33
4 129
5 511
6 2110
7 8883
8 37770
9 163078
10 711157
11 3122349
12 13813470
13 61489000
14 274994926
15 1235534550
16 5574180288
17 25233308678
18 114589332333
19 521906125367
20 2383113544526
21 10907286930454
22 50031574548984
23 229948117747006
24 1058783283652308
25 4883463242267293
26 22559695965552386
27 104369418822478204