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A049385 as a simple table

n a(n)
1 1
2 6
3 1
4 66
5 18
6 1
7 1056
8 372
9 36
10 1
11 22176
12 9240
13 1200
14 60
15 1
16 576576
17 271656
18 42840
19 2940
20 90
21 1
22 17873856
23 9269568
24 1685376
25 142800
26 6090
27 126
28 1
29 643458816
30 360847872
31 73313856
32 7254576
33 386400
34 11256
35 168
36 1
37 26381811456
38 15799069440

[1,6,1,66,18,1,1056,372,36,1,22176,9240,1200,60,1,
 576576,271656,42840,2940,90,1,17873856,9269568,
 1685376,142800,6090,126,1,643458816,360847872,
 73313856,7254576,386400,11256,168,1,26381811456,
 15799069440]

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Last modified April 17 21:22 EDT 2024. Contains 371767 sequences. (Running on oeis4.)