# A053771 (b-file synthesized from sequence entry)
1 1
2 6
3 78
4 6588
5 1332288
6 1335398688
7 2230748717184
8 13819713971871744
9 219439188546028498944
10 16360198814356838801178624
11 3333281205541847127897252298752
12 2704161270841324410691567986117967872