# A092760 (b-file synthesized from sequence entry)
1 6
2 20
3 72
4 272
5 2808
6 5280
7 12480
8 65792
9 251719680
10 4295032832
11 39462420480
12 2151811200000
13 375297105592320
14 4238621367336960
15 20203489717239782783648394117120
16 84353101158454670682576150304666023245622804480