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A056831 as a simple table

n a(n)
2 4
3 6
4 360
5 12
6 1680
7 18
8 4620
9 491400
10 30
11 1884960
12 29640
13 42
14 45540
15 12994800
16 45821160
17 60
18 89369280
19 164220
20 72
21 211110900
22 265680
23 195878760
24 83434347360
25 485100
26 102
27 578760
28 108
29 683760
30 97661867698205811000
31 1073280
32 1799665560

[4,6,360,12,1680,18,4620,491400,30,1884960,29640,
 42,45540,12994800,45821160,60,89369280,164220,72,
 211110900,265680,195878760,83434347360,485100,102,
 578760,108,683760,97661867698205811000,1073280,
 1799665560]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)