# A071732 (b-file synthesized from sequence entry)
0 1
1 3
2 9
3 29
4 95
5 317
6 1076
7 3707
8 12935
9 45630
10 162486
11 583338
12 2109190
13 7674157
14 28077250
15 103234695
16 381260535
17 1413686490
18 5260849110
19 19642116150
20 73557465570
21 276224933010
22 1039922723424
23 3924250124142
24 14840700243830