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A213926 as a simple table

n a(n)
1 0
2 4
3 18
4 46
5 86
6 138
7 210
8 292
9 396
10 512
11 630
12 790
13 968
14 1150
15 1380
16 1566
17 1820
18 2082
19 2370
20 2670
21 3010
22 3382
23 3720
24 4122
25 4540
26 4950
27 5416
28 5900
29 6372
30 6884
31 7446
32 8030
33 8600
34 9202
35 9782
36 10476
37 11164
38 11886
39 12576
40 13326
41 14148
42 14920
43 15686
44 16554
45 17412

[0,4,18,46,86,138,210,292,396,512,630,790,968,
 1150,1380,1566,1820,2082,2370,2670,3010,3382,3720,
 4122,4540,4950,5416,5900,6372,6884,7446,8030,8600,
 9202,9782,10476,11164,11886,12576,13326,14148,
 14920,15686,16554,17412]

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Last modified August 27 15:20 EDT 2024. Contains 375470 sequences. (Running on oeis4.)