# A037584 (b-file synthesized from sequence entry)
1 3
2 16
3 83
4 416
5 2083
6 10416
7 52083
8 260416
9 1302083
10 6510416
11 32552083
12 162760416
13 813802083
14 4069010416
15 20345052083
16 101725260416
17 508626302083
18 2543131510416
19 12715657552083
20 63578287760416
21 317891438802083