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A266397 as a simple table

n a(n)
1 0
2 0
3 9
4 31
5 70
6 130
7 215
8 329
9 476
10 660
11 885
12 1155
13 1474
14 1846
15 2275
16 2765
17 3320
18 3944
19 4641
20 5415
21 6270
22 7210
23 8239
24 9361
25 10580
26 11900
27 13325
28 14859
29 16506
30 18270
31 20155
32 22165
33 24304
34 26576
35 28985
36 31535
37 34230
38 37074
39 40071
40 43225
41 46540
42 50020
43 53669

[0,0,9,31,70,130,215,329,476,660,885,1155,1474,
 1846,2275,2765,3320,3944,4641,5415,6270,7210,8239,
 9361,10580,11900,13325,14859,16506,18270,20155,
 22165,24304,26576,28985,31535,34230,37074,40071,
 43225,46540,50020,53669]

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Last modified April 26 05:14 EDT 2024. Contains 371989 sequences. (Running on oeis4.)