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A275971 as a simple table

n a(n)
1 5
2 15
3 85
4 165
5 235
6 485
7 1665
8 1885
9 4835
10 5765
11 7585
12 15085
13 15885
14 16665
15 18365
16 18915
17 22885
18 27115
19 27885
20 50235
21 57665
22 58115
23 72335
24 85635
25 87885
26 150915
27 166665
28 182415
29 194235
30 194365
31 229635
32 240365
33 268835
34 503515
35 507665
36 524915
37 568835
38 570415
39 577515
40 581165

[5,15,85,165,235,485,1665,1885,4835,5765,7585,
 15085,15885,16665,18365,18915,22885,27115,27885,
 50235,57665,58115,72335,85635,87885,150915,166665,
 182415,194235,194365,229635,240365,268835,503515,
 507665,524915,568835,570415,577515,581165]

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Last modified April 24 03:08 EDT 2024. Contains 371918 sequences. (Running on oeis4.)