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A018836 as a simple table

n a(n)
0 1
1 9
2 41
3 109
4 205
5 325
6 473
7 649
8 853
9 1085
10 1345
11 1633
12 1949
13 2293
14 2665
15 3065
16 3493
17 3949
18 4433
19 4945
20 5485
21 6053
22 6649
23 7273
24 7925
25 8605
26 9313
27 10049
28 10813
29 11605
30 12425
31 13273
32 14149
33 15053
34 15985
35 16945
36 17933
37 18949
38 19993
39 21065
40 22165

[1,9,41,109,205,325,473,649,853,1085,1345,1633,
 1949,2293,2665,3065,3493,3949,4433,4945,5485,6053,
 6649,7273,7925,8605,9313,10049,10813,11605,12425,
 13273,14149,15053,15985,16945,17933,18949,19993,
 21065,22165]

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Last modified April 25 11:37 EDT 2024. Contains 371968 sequences. (Running on oeis4.)