# A125373 (b-file synthesized from sequence entry)
0 1
1 10
2 80
3 580
4 4660
5 37960
6 311378
7 2559658
8 21057948
9 173287588
10 1426133270
11 11737272106
12 96600478510
13 795047628502
14 6543462720560
15 53854541701240
16 443238127915788
17 3647975524214452
18 30023874009147704
19 247105006940966092