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A207598 as a simple table

n a(n)
1 40
2 1600
3 9240
4 30400
5 75400
6 157440
7 292600
8 499840
9 801000
10 1220800
11 1786840
12 2529600
13 3482440
14 4681600
15 6166200
16 7978240
17 10162600
18 12767040
19 15842200
20 19441600
21 23621640
22 28441600
23 33963640
24 40252800
25 47377000
26 55407040
27 64416600

[40,1600,9240,30400,75400,157440,292600,499840,
 801000,1220800,1786840,2529600,3482440,4681600,
 6166200,7978240,10162600,12767040,15842200,
 19441600,23621640,28441600,33963640,40252800,
 47377000,55407040,64416600]

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Last modified April 25 16:23 EDT 2024. Contains 371989 sequences. (Running on oeis4.)