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A011779 as a simple table

n a(n)
0 1
1 3
2 6
3 12
4 21
5 33
6 51
7 75
8 105
9 145
10 195
11 255
12 330
13 420
14 525
15 651
16 798
17 966
18 1162
19 1386
20 1638
21 1926
22 2250
23 2610
24 3015
25 3465
26 3960
27 4510
28 5115
29 5775
30 6501
31 7293
32 8151
33 9087
34 10101
35 11193
36 12376
37 13650

[1,3,6,12,21,33,51,75,105,145,195,255,330,420,525,
 651,798,966,1162,1386,1638,1926,2250,2610,3015,
 3465,3960,4510,5115,5775,6501,7293,8151,9087,
 10101,11193,12376,13650]

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Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)