# A125367 (b-file synthesized from sequence entry)
0 1
1 30
2 250
3 1650
4 12770
5 100230
6 805906
7 6566814
8 54086114
9 449108706
10 3753661210
11 31540650842
12 266200099346
13 2255103585986
14 19164991781962
15 163321999341570
16 1395146780098946
17 11942807195629546
18 102422953911204100