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A255230 as a simple table

n a(n)
1 4
2 12
3 48
4 120
5 468
6 1260
7 720
8 2448
9 10080
10 12060
11 15912
12 7560
13 18480
14 7392
15 9660
16 27720
17 33480
18 14400
19 25080
20 36708
21 10092
22 34188
23 42120
24 83400
25 29820
26 20040
27 67320
28 114408
29 206628
30 67368
31 72192
32 102648
33 152928
34 51732
35 59880
36 152700
37 106440
38 100980
39 171480

[4,12,48,120,468,1260,720,2448,10080,12060,15912,
 7560,18480,7392,9660,27720,33480,14400,25080,
 36708,10092,34188,42120,83400,29820,20040,67320,
 114408,206628,67368,72192,102648,152928,51732,
 59880,152700,106440,100980,171480]

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Last modified June 5 01:34 EDT 2024. Contains 373102 sequences. (Running on oeis4.)