# A151240 (b-file synthesized from sequence entry)
0 1
1 3
2 14
3 64
4 312
5 1509
6 7453
7 36705
8 182306
9 904450
10 4504678
11 22425745
12 111860659
13 557873292
14 2785109263
15 13903649793
16 69448593079
17 346895872507
18 1733313215705
19 8660909647098
20 43284667243118
21 216329048923139
22 1081301272953975
23 5404905018332207
24 27018500855114772
25 135064878802668940