# A139526 (b-file synthesized from sequence entry)
2 1
3 1
4 2
5 1
6 6
7 9
8 1
9 12
10 48
11 64
12 1
13 20
14 150
15 500
16 625
17 1
18 30
19 360
20 2160
21 6480
22 7776
23 1
24 42
25 735
26 6860
27 36015
28 100842
29 117649
30 1
31 56
32 1344
33 17920
34 143360
35 688128
36 1835008
37 2097152
38 1
39 72
40 2268
41 40824
42 459270
43 3306744
44 14880348
45 38263752
46 43046721
47 1
48 90
49 3600
50 84000
51 1260000
52 12600000
53 84000000
54 360000000
55 900000000
56 1000000000