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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.

A084849 a(n) = 1 + n + 2*n^2.

Table of values

n a(n)
0 1
1 4
2 11
3 22
4 37
5 56
6 79
7 106
8 137
9 172
10 211
11 254
12 301
13 352
14 407
15 466
16 529
17 596
18 667
19 742
20 821
21 904
22 991
23 1082
24 1177
25 1276
26 1379
27 1486
28 1597
29 1712
30 1831
31 1954
32 2081
33 2212
34 2347
35 2486
36 2629
37 2776
38 2927
39 3082
40 3241
41 3404
42 3571
43 3742
44 3917
45 4096
46 4279
47 4466

List of values

[1, 4, 11, 22, 37, 56, 79, 106, 137, 172, 211, 254, 301, 352, 407, 466, 529, 596, 667, 742, 821, 904, 991, 1082, 1177, 1276, 1379, 1486, 1597, 1712, 1831, 1954, 2081, 2212, 2347, 2486, 2629, 2776, 2927, 3082, 3241, 3404, 3571, 3742, 3917, 4096, 4279, 4466]

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

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