# A221862 (b-file synthesized from sequence entry)
0 1
1 5
2 21
3 83
4 319
5 1208
6 4535
7 16932
8 62986
9 233702
10 865513
11 3201026
12 11826582
13 43660921
14 161090910
15 594092895
16 2190225106
17 8072519511
18 29746921227
19 109599320930
20 403758993204
21 1487294628182
22 5478244777582
23 20177275278559
24 74313150143975
25 273687550281967