# A146753 (b-file synthesized from sequence entry)
0 1
1 10
2 110
3 1870
4 8602
5 249458
6 1247290
7 51138890
8 218502530
9 2316126818
10 136651482262
11 136651482262
12 570720896506
13 6277929861566
14 521068178509978
15 46375067887388042
16 2016307299451654
17 203647037244617054