# A011823 (b-file synthesized from sequence entry)
1 2
2 9
3 256
4 21147
5 1673856
6 89026966
7 3099627142
8 74407044673
9 1306811152024
10 17675571563918
11 191922235160156
12 1729283934497328
13 13277799809473332
14 88759840725469601
15 525698154348040682