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A027659 as a simple table

n a(n)
0 4
1 18
2 52
3 121
4 246
5 455
6 784
7 1278
8 1992
9 2992
10 4356
11 6175
12 8554
13 11613
14 15488
15 20332
16 26316
17 33630
18 42484
19 53109
20 65758
21 80707
22 98256
23 118730
24 142480
25 169884
26 201348
27 237307
28 278226
29 324601
30 376960
31 435864
32 501908
33 575722
34 657972
35 749361
36 850630
37 962559

[4,18,52,121,246,455,784,1278,1992,2992,4356,6175,
 8554,11613,15488,20332,26316,33630,42484,53109,
 65758,80707,98256,118730,142480,169884,201348,
 237307,278226,324601,376960,435864,501908,575722,
 657972,749361,850630,962559]

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Last modified April 20 00:03 EDT 2024. Contains 371798 sequences. (Running on oeis4.)