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A135503 as a simple table

n a(n)
0 0
1 0
2 3
3 12
4 30
5 60
6 105
7 168
8 252
9 360
10 495
11 660
12 858
13 1092
14 1365
15 1680
16 2040
17 2448
18 2907
19 3420
20 3990
21 4620
22 5313
23 6072
24 6900
25 7800
26 8775
27 9828
28 10962
29 12180
30 13485
31 14880
32 16368
33 17952
34 19635
35 21420
36 23310
37 25308
38 27417
39 29640
40 31980
41 34440

[0,0,3,12,30,60,105,168,252,360,495,660,858,1092,
 1365,1680,2040,2448,2907,3420,3990,4620,5313,6072,
 6900,7800,8775,9828,10962,12180,13485,14880,16368,
 17952,19635,21420,23310,25308,27417,29640,31980,
 34440]

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Last modified April 25 09:19 EDT 2024. Contains 371967 sequences. (Running on oeis4.)