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.

A124124 Nonnegative integers n such that 2n^2 + 2n - 3 is square.

Table of values

n a(n)
1 1
2 2
3 6
4 13
5 37
6 78
7 218
8 457
9 1273
10 2666
11 7422
12 15541
13 43261
14 90582
15 252146
16 527953
17 1469617
18 3077138
19 8565558
20 17934877
21 49923733
22 104532126
23 290976842
24 609257881
25 1695937321
26 3551015162
27 9884647086
28 20696833093
29 57611945197
30 120629983398
31 335787024098

List of values

[1, 2, 6, 13, 37, 78, 218, 457, 1273, 2666, 7422, 15541, 43261, 90582, 252146, 527953, 1469617, 3077138, 8565558, 17934877, 49923733, 104532126, 290976842, 609257881, 1695937321, 3551015162, 9884647086, 20696833093, 57611945197, 120629983398, 335787024098]

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

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