# A130583 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 10
4 26
5 71
6 210
7 673
8 2328
9 8649
10 34341
11 145043
12 648895
13 3063357
14 15208948
15 79172266
16 430976971
17 2447365652
18 14466697028
19 88841985950
20 565817585424
21 3731151186118
22 25437569103196
23 179054298041232
24 1299648967295934