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A028552 as a simple table

n a(n)
0 0
1 4
2 10
3 18
4 28
5 40
6 54
7 70
8 88
9 108
10 130
11 154
12 180
13 208
14 238
15 270
16 304
17 340
18 378
19 418
20 460
21 504
22 550
23 598
24 648
25 700
26 754
27 810
28 868
29 928
30 990
31 1054
32 1120
33 1188
34 1258
35 1330
36 1404
37 1480
38 1558
39 1638
40 1720
41 1804
42 1890
43 1978
44 2068

[0,4,10,18,28,40,54,70,88,108,130,154,180,208,238,
 270,304,340,378,418,460,504,550,598,648,700,754,
 810,868,928,990,1054,1120,1188,1258,1330,1404,
 1480,1558,1638,1720,1804,1890,1978,2068]

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Last modified January 21 22:47 EST 2020. Contains 331129 sequences. (Running on oeis4.)