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.

A209294 a(n) = (7*n^2 - 7*n + 4)/2.

Table of values

n a(n)
1 2
2 9
3 23
4 44
5 72
6 107
7 149
8 198
9 254
10 317
11 387
12 464
13 548
14 639
15 737
16 842
17 954
18 1073
19 1199
20 1332
21 1472
22 1619
23 1773
24 1934
25 2102
26 2277
27 2459
28 2648
29 2844
30 3047
31 3257
32 3474
33 3698
34 3929
35 4167
36 4412
37 4664
38 4923
39 5189
40 5462

List of values

[2, 9, 23, 44, 72, 107, 149, 198, 254, 317, 387, 464, 548, 639, 737, 842, 954, 1073, 1199, 1332, 1472, 1619, 1773, 1934, 2102, 2277, 2459, 2648, 2844, 3047, 3257, 3474, 3698, 3929, 4167, 4412, 4664, 4923, 5189, 5462]

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

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