# A125807 (b-file synthesized from sequence entry)
0 1
1 3
2 16
3 119
4 1070
5 10762
6 116546
7 1330923
8 15823388
9 194168612
10 2444224858
11 31422225930
12 411141476444
13 5460849893348
14 73474839110524
15 999764999592077
16 13738614091375204
17 190450074950481408
18 2660727794475865450