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A030117 as a simple table

n a(n)
0 0
1 0
2 4
3 28
4 80
5 180
6 332
7 560
8 864
9 1272
10 1780
11 2420
12 3184
13 4108
14 5180
15 6440
16 7872
17 9520
18 11364
19 13452
20 15760
21 18340
22 21164
23 24288
24 27680
25 31400
26 35412
27 39780
28 44464
29 49532
30 54940
31 60760
32 66944
33 73568
34 80580
35 88060
36 95952
37 104340
38 113164

[0,0,4,28,80,180,332,560,864,1272,1780,2420,3184,
 4108,5180,6440,7872,9520,11364,13452,15760,18340,
 21164,24288,27680,31400,35412,39780,44464,49532,
 54940,60760,66944,73568,80580,88060,95952,104340,
 113164]

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Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)