# A253256 (b-file synthesized from sequence entry)
0 1
1 2
2 11
3 79
4 647
5 5727
6 53367
7 515802
8 5123303
9 51977485
10 536320688
11 5610909773
12 59379328267
13 634538481389
14 6837466955193
15 74210071037031
16 810527496757335
17 8901979424068377
18 98253966680382102
19 1089260346498608721
20 12123804391067414676
21 135427509933882292680
22 1517725698030921469890