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.

A154260 Numbers of the form m*(4*m +- 1)/2.

Table of values

n a(n)
1 0
2 7
3 9
4 30
5 34
6 69
7 75
8 124
9 132
10 195
11 205
12 282
13 294
14 385
15 399
16 504
17 520
18 639
19 657
20 790
21 810
22 957
23 979
24 1140
25 1164
26 1339
27 1365
28 1554
29 1582
30 1785
31 1815
32 2032
33 2064
34 2295
35 2329
36 2574
37 2610
38 2869
39 2907
40 3180
41 3220
42 3507
43 3549
44 3850
45 3894
46 4209
47 4255
48 4584

List of values

[0, 7, 9, 30, 34, 69, 75, 124, 132, 195, 205, 282, 294, 385, 399, 504, 520, 639, 657, 790, 810, 957, 979, 1140, 1164, 1339, 1365, 1554, 1582, 1785, 1815, 2032, 2064, 2295, 2329, 2574, 2610, 2869, 2907, 3180, 3220, 3507, 3549, 3850, 3894, 4209, 4255, 4584]

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

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