# A151325 (b-file synthesized from sequence entry)
0 1
1 3
2 14
3 69
4 364
5 1964
6 10862
7 60849
8 344914
9 1970654
10 11336210
11 65550856
12 380715692
13 2219101122
14 12974182136
15 76050379457
16 446774956662
17 2629721680448
18 15504560993606
19 91547835411002
20 541254436678564
21 3203730923576886
22 18982695363209084
23 112579789273032820
24 668226265440813776