# A151236 (b-file synthesized from sequence entry)
0 1
1 3
2 14
3 59
4 288
5 1311
6 6489
7 30535
8 151900
9 727661
10 3627957
11 17569091
12 87696862
13 427745087
14 2136486736
15 10473195599
16 52331021438
17 257470685339
18 1286792210593
19 6348564659473
20 31733612417336
21 156896784297081
22 784330025193552
23 3884420348128291
24 19419492138511104
25 96306261946366663