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A158444 as a simple table

n a(n)
1 20
2 68
3 148
4 260
5 404
6 580
7 788
8 1028
9 1300
10 1604
11 1940
12 2308
13 2708
14 3140
15 3604
16 4100
17 4628
18 5188
19 5780
20 6404
21 7060
22 7748
23 8468
24 9220
25 10004
26 10820
27 11668
28 12548
29 13460
30 14404
31 15380
32 16388
33 17428
34 18500
35 19604
36 20740
37 21908
38 23108
39 24340
40 25604

[20,68,148,260,404,580,788,1028,1300,1604,1940,
 2308,2708,3140,3604,4100,4628,5188,5780,6404,7060,
 7748,8468,9220,10004,10820,11668,12548,13460,
 14404,15380,16388,17428,18500,19604,20740,21908,
 23108,24340,25604]

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Last modified October 1 12:14 EDT 2014. Contains 247510 sequences.