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A011928 as a simple table

n a(n)
0 0
1 0
2 0
3 0
4 1
5 6
6 20
7 46
8 93
9 168
10 280
11 440
12 660
13 953
14 1334
15 1820
16 2426
17 3173
18 4080
19 5168
20 6460
21 7980
22 9753
23 11806
24 14168
25 16866
26 19933
27 23400
28 27300
29 31668
30 36540
31 41953
32 47946
33 54560
34 61834
35 69813
36 78540
37 88060
38 98420
39 109668
40 121853
41 135026
42 149240

[0,0,0,0,1,6,20,46,93,168,280,440,660,953,1334,
 1820,2426,3173,4080,5168,6460,7980,9753,11806,
 14168,16866,19933,23400,27300,31668,36540,41953,
 47946,54560,61834,69813,78540,88060,98420,109668,
 121853,135026,149240]

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)