# A125397 (b-file synthesized from sequence entry)
0 1
1 9
2 75
3 597
4 4999
5 41959
6 352605
7 2963557
8 24908879
9 209361909
10 1759712475
11 14790602187
12 124316856469
13 1044898695889
14 8782503978435
15 73818042322837
16 620449861007519
17 5214958537443999
18 43832377531943085
19 368416605100242957