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.

A290729 Analog of A085635, replacing "quadratic residue" (X^2) with "value of X(3X-1)/2".

Table of values

n a(n)
1 1
2 5
3 7
4 11
5 13
6 17
7 19
8 23
9 25
10 35
11 55
12 65
13 77
14 91
15 119
16 133
17 143
18 175
19 275
20 325
21 385
22 455
23 595
24 665
25 715
26 935
27 1001
28 1309
29 1463
30 1547
31 1729
32 1925
33 2275
34 2975
35 3325
36 3575
37 4675
38 5005
39 6545
40 7315
41 7735
42 8645

List of values

[1, 5, 7, 11, 13, 17, 19, 23, 25, 35, 55, 65, 77, 91, 119, 133, 143, 175, 275, 325, 385, 455, 595, 665, 715, 935, 1001, 1309, 1463, 1547, 1729, 1925, 2275, 2975, 3325, 3575, 4675, 5005, 6545, 7315, 7735, 8645]