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A159940 as a simple table

n a(n)
2 4
3 16
4 46
5 106
6 208
7 364
8 586
9 886
10 1276
11 1768
12 2374
13 3106
14 3976
15 4996
16 6178
17 7534
18 9076
19 10816
20 12766
21 14938
22 17344
23 19996
24 22906
25 26086
26 29548
27 33304
28 37366
29 41746
30 46456
31 51508
32 56914
33 62686
34 68836
35 75376
36 82318
37 89674
38 97456
39 105676
40 114346

[4,16,46,106,208,364,586,886,1276,1768,2374,3106,
 3976,4996,6178,7534,9076,10816,12766,14938,17344,
 19996,22906,26086,29548,33304,37366,41746,46456,
 51508,56914,62686,68836,75376,82318,89674,97456,
 105676,114346]

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)