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A075280 as a simple table

n a(n)
1 15
2 205
3 515
4 1465
5 1795
6 1895
7 2105
8 3265
9 3505
10 3665
11 4105
12 4415
13 4535
14 4555
15 4685
16 5045
17 6185
18 7115
19 7835
20 8135
21 8185
22 9655
23 9865
24 10085
25 10645
26 11015
27 11405
28 12085
29 12295
30 12385
31 13235
32 14395
33 16045
34 16355
35 16735
36 17065

[15,205,515,1465,1795,1895,2105,3265,3505,3665,
 4105,4415,4535,4555,4685,5045,6185,7115,7835,8135,
 8185,9655,9865,10085,10645,11015,11405,12085,
 12295,12385,13235,14395,16045,16355,16735,17065]

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Last modified December 4 02:18 EST 2020. Contains 338921 sequences. (Running on oeis4.)