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A064761 as a simple table

n a(n)
0 0
1 15
2 60
3 135
4 240
5 375
6 540
7 735
8 960
9 1215
10 1500
11 1815
12 2160
13 2535
14 2940
15 3375
16 3840
17 4335
18 4860
19 5415
20 6000
21 6615
22 7260
23 7935
24 8640
25 9375
26 10140
27 10935
28 11760
29 12615
30 13500
31 14415
32 15360
33 16335
34 17340
35 18375
36 19440
37 20535
38 21660
39 22815

[0,15,60,135,240,375,540,735,960,1215,1500,1815,
 2160,2535,2940,3375,3840,4335,4860,5415,6000,6615,
 7260,7935,8640,9375,10140,10935,11760,12615,13500,
 14415,15360,16335,17340,18375,19440,20535,21660,
 22815]

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)