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A216971 as a simple table

n a(n)
1 1
2 2
3 2
4 6
5 18
6 3
7 24
8 156
9 72
10 4
11 120
12 1520
13 1260
14 220
15 5
16 720
17 17310
18 21000
19 7020
20 600
21 6
22 5040
23 232932
24 363720
25 187320
26 32970
27 1554
28 7
29 40320
30 3698744
31 6794256
32 4746840
33 1351840
34 141288
35 3920
36 8
37 362880
38 68680656
39 139241088
40 121105152
41 48822480
42 8625456
43 573048
44 9720
45 9
46 3628800
47 1471193370

[1,2,2,6,18,3,24,156,72,4,120,1520,1260,220,5,720,
 17310,21000,7020,600,6,5040,232932,363720,187320,
 32970,1554,7,40320,3698744,6794256,4746840,
 1351840,141288,3920,8,362880,68680656,139241088,
 121105152,48822480,8625456,573048,9720,9,3628800,
 1471193370]

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Last modified April 25 07:53 EDT 2024. Contains 371964 sequences. (Running on oeis4.)