# A275593 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 2
5 6
6 30
7 270
8 5100
9 229380
10 27535260
11 9496469340
12 10086965678520
13 34571745136244520
14 403054252638271664040
15 16565160940382442188713320
16 2510059126960200448967150682000
17 1444160075122431073529236697462766000