# A246572 (b-file synthesized from sequence entry)
0 1
1 1
2 7
3 51
4 425
5 3879
6 36527
7 355333
8 3531175
9 35673875
10 365179885
11 3777991337
12 39430009247
13 414567124053
14 4386228722281
15 46659584847835
16 498701253293129
17 5352318710976505
18 57655365854918487
19 623105208980304843
20 6753999316026236871
21 73403038257774972101
22 799674458063926645329