# A112489 (b-file synthesized from sequence entry)
3 15
4 315
5 4900
6 70532
7 1008980
8 14777620
9 224655816
10 3568061640
11 59371808496
12 1035987707664
13 18953413075584
14 363290743698048
15 7287692926408704
16 152811506045431296
17 3344880701417587200
18 76327884878442508800