# A034600 (b-file synthesized from sequence entry)
0 1
1 0
2 3024
3 258048
4 6317136
5 71221248
6 546017472
7 2884460544
8 12928522320
9 45777715200
10 150505102944
11 416199168000
12 1118291799744
13 2614324543488
14 6094814495616
15 12617948012544
16 26477575321680