# A122909 (b-file synthesized from sequence entry)
0 1
1 4
2 19
3 79
4 338
5 1427
6 6053
7 25628
8 108583
9 459931
10 1948354
11 8253271
12 34961561
13 148099316
14 627359147
15 2657535383
16 11257501522
17 47687540107
18 202007664157
19 855718193164
20 3624880442591
21 15355239954179
22 65045840274434