# A076220 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 6
4 12
5 72
6 72
7 864
8 1728
9 13824
10 22032
11 555264
12 476928
13 17625600
14 29599488
15 321115392
16 805146624
17 46097049600
18 36481536000
19 2754120268800
20 3661604352000
21 83905105305600
22 192859121664000
23 20092043520000000
24 15074060547686400
25 1342354557616128000