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A309951 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 1
5 3
6 2
7 1
8 10
9 27
10 18
11 1
12 47
13 718
14 4416
15 10656
16 6912
17 1
18 246
19 20545
20 751800
21 12911500
22 100380000
23 304200000
24 216000000
25 1
26 1602
27 929171
28 260888070
29 39883405500
30 3492052425000
31 177328940580000
32 5153150631600000
33 82577533320000000
34 669410956800000000
35 2224399449600000000
36 1632586752000000000
37 1
38 11481

[1,1,1,1,1,3,2,1,10,27,18,1,47,718,4416,10656,
 6912,1,246,20545,751800,12911500,100380000,
 304200000,216000000,1,1602,929171,260888070,
 39883405500,3492052425000,177328940580000,
 5153150631600000,82577533320000000,
 669410956800000000,2224399449600000000,
 1632586752000000000,1,11481]

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Last modified April 17 23:23 EDT 2024. Contains 371767 sequences. (Running on oeis4.)