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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.

A080860 a(n) = 10*n^2 + 5*n + 1.

Table of values

n a(n)
0 1
1 16
2 51
3 106
4 181
5 276
6 391
7 526
8 681
9 856
10 1051
11 1266
12 1501
13 1756
14 2031
15 2326
16 2641
17 2976
18 3331
19 3706
20 4101
21 4516
22 4951
23 5406
24 5881
25 6376
26 6891
27 7426
28 7981
29 8556
30 9151
31 9766
32 10401
33 11056
34 11731
35 12426
36 13141
37 13876
38 14631
39 15406
40 16201
41 17016
42 17851

List of values

[1, 16, 51, 106, 181, 276, 391, 526, 681, 856, 1051, 1266, 1501, 1756, 2031, 2326, 2641, 2976, 3331, 3706, 4101, 4516, 4951, 5406, 5881, 6376, 6891, 7426, 7981, 8556, 9151, 9766, 10401, 11056, 11731, 12426, 13141, 13876, 14631, 15406, 16201, 17016, 17851]

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

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