# A111637 (b-file synthesized from sequence entry)
0 1
1 4
2 96
3 10240
4 4587520
5 8455716864
6 63496796504064
7 1932044240141942784
8 237409596228641929297920
9 117555946699326540948428554240
10 234206054295766751302924897412448256
11 1875359927045089548108556844295368069873664