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A217891 as a simple table

n a(n)
1 1
2 1
3 2
4 1
5 3
6 6
7 1
8 3
9 10
10 24
11 1
12 3
13 11
14 40
15 120
16 1
17 3
18 11
19 44
20 182
21 720
22 1
23 3
24 11
25 45
26 192
27 938
28 5040
29 1
30 3
31 11
32 45
33 196
34 892
35 5424
36 40320
37 1
38 3
39 11
40 45
41 197
42 898
43 4400
44 34788
45 362880
46 1
47 3
48 11
49 45
50 197
51 902
52 4272
53 23086
54 244544
55 3628800
56 1
57 3
58 11
59 45
60 197
61 903
62 4274
63 21002
64 129250
65 1865144
66 39916800

[1,1,2,1,3,6,1,3,10,24,1,3,11,40,120,1,3,11,44,
 182,720,1,3,11,45,192,938,5040,1,3,11,45,196,892,
 5424,40320,1,3,11,45,197,898,4400,34788,362880,1,
 3,11,45,197,902,4272,23086,244544,3628800,1,3,11,
 45,197,903,4274,21002,129250,1865144,39916800]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)