# A333481 (b-file synthesized from sequence entry)
0 1
1 4
2 48
3 652
4 9344
5 138004
6 2077968
7 31712412
8 488793088
9 7591462564
10 118615816048
11 1862444310060
12 29361743698304
13 464472032918196
14 7368841675386960
15 117200150284494652
16 1868129273410953216
17 29834667873867329348
18 477283242733227391152
19 7647021589988643092428