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.

A263231 a(n) = n*(25*n - 39)/2.

Table of values

n a(n)
0 0
1 -7
2 11
3 54
4 122
5 215
6 333
7 476
8 644
9 837
10 1055
11 1298
12 1566
13 1859
14 2177
15 2520
16 2888
17 3281
18 3699
19 4142
20 4610
21 5103
22 5621
23 6164
24 6732
25 7325
26 7943
27 8586
28 9254
29 9947
30 10665
31 11408
32 12176
33 12969
34 13787
35 14630
36 15498
37 16391
38 17309
39 18252
40 19220

List of values

[0, -7, 11, 54, 122, 215, 333, 476, 644, 837, 1055, 1298, 1566, 1859, 2177, 2520, 2888, 3281, 3699, 4142, 4610, 5103, 5621, 6164, 6732, 7325, 7943, 8586, 9254, 9947, 10665, 11408, 12176, 12969, 13787, 14630, 15498, 16391, 17309, 18252, 19220]

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

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