# A177123 (b-file synthesized from sequence entry)
0 1
1 7
2 17
3 87
4 417
5 2347
6 13497
7 81607
8 504537
9 3192747
10 20529537
11 133876327
12 882924177
13 5879675307
14 39478170697
15 266973261127
16 1816729697097
17 12431013514667
18 85476914070417
19 590327766229607
20 4093067887259777