# A155614 (b-file synthesized from sequence entry)
0 1
1 7
2 73
3 703
4 6481
5 58807
6 530713
7 4780783
8 43040161
9 387400807
10 3486725353
11 31380882463
12 282429005041
13 2541864234007
14 22876787671993
15 205891117745743
16 1853020145805121
17 16677181570526407
18 150094634909578633