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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.

A080855 a(n) = (9*n^2 - 3*n + 2)/2.

Table of values

n a(n)
0 1
1 4
2 16
3 37
4 67
5 106
6 154
7 211
8 277
9 352
10 436
11 529
12 631
13 742
14 862
15 991
16 1129
17 1276
18 1432
19 1597
20 1771
21 1954
22 2146
23 2347
24 2557
25 2776
26 3004
27 3241
28 3487
29 3742
30 4006
31 4279
32 4561
33 4852
34 5152
35 5461
36 5779
37 6106
38 6442
39 6787
40 7141
41 7504
42 7876
43 8257
44 8647
45 9046

List of values

[1, 4, 16, 37, 67, 106, 154, 211, 277, 352, 436, 529, 631, 742, 862, 991, 1129, 1276, 1432, 1597, 1771, 1954, 2146, 2347, 2557, 2776, 3004, 3241, 3487, 3742, 4006, 4279, 4561, 4852, 5152, 5461, 5779, 6106, 6442, 6787, 7141, 7504, 7876, 8257, 8647, 9046]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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