# A028976 (b-file synthesized from sequence entry)
0 1
1 0
2 120
3 240
4 600
5 1440
6 2400
7 3120
8 5400
9 7200
10 12360
11 12000
12 18720
13 20640
14 28800
15 39120
16 43800
17 45120
18 62040
19 62400
20 102120
21 88800
22 111840
23 113040
24 151200
25 174240
26 181200
27 189600
28 231360
29 225600
30 350880
31 276000
32 343320
33 343680
34 409200
35 479760
36 511800
37 465120
38 573600
39 568800
40 815400
41 636000