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A015224 as a simple table

n a(n)
0 0
1 6
2 18
3 40
4 126
5 196
6 288
7 550
8 726
9 936
10 1470
11 1800
12 2176
13 3078
14 3610
15 4200
16 5566
17 6348
18 7200
19 9126
20 10206
21 11368
22 13950
23 15376
24 16896
25 20230
26 22050
27 23976
28 28158
29 30420
30 32800
31 37926
32 40678
33 43560
34 49726
35 53016
36 56448
37 63750
38 67626
39 71656

[0,6,18,40,126,196,288,550,726,936,1470,1800,2176,
 3078,3610,4200,5566,6348,7200,9126,10206,11368,
 13950,15376,16896,20230,22050,23976,28158,30420,
 32800,37926,40678,43560,49726,53016,56448,63750,
 67626,71656]

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Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)