# A229687 (b-file synthesized from sequence entry)
1 1
2 9
3 20457529
4 143784081
5 331130809
6 4365905625
7 5216450625
8 20074072489
9 1193532215121
10 10036851273801
11 36014509461681
12 38767247532225
13 41413201925481
14 155991531977649
15 320642706437001
16 2543173099393689
17 2696589987547401
18 4665141483989281
19 87463589042698969