cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A325958 Sum of the corners of a 2n+1 X 2n+1 square spiral.

Table of values

n a(n)
1 24
2 76
3 160
4 276
5 424
6 604
7 816
8 1060
9 1336
10 1644
11 1984
12 2356
13 2760
14 3196
15 3664
16 4164
17 4696
18 5260
19 5856
20 6484
21 7144
22 7836
23 8560
24 9316
25 10104
26 10924
27 11776
28 12660
29 13576
30 14524
31 15504
32 16516
33 17560
34 18636
35 19744
36 20884
37 22056
38 23260
39 24496
40 25764
41 27064
42 28396

List of values

[24, 76, 160, 276, 424, 604, 816, 1060, 1336, 1644, 1984, 2356, 2760, 3196, 3664, 4164, 4696, 5260, 5856, 6484, 7144, 7836, 8560, 9316, 10104, 10924, 11776, 12660, 13576, 14524, 15504, 16516, 17560, 18636, 19744, 20884, 22056, 23260, 24496, 25764, 27064, 28396]