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.

A229469 Numbers k such that T(k) + S(k) + 1 is prime, where T(k) and S(k) are the k-th triangular and square numbers.

Table of values

n a(n)
1 1
2 5
3 8
4 9
5 12
6 17
7 21
8 24
9 29
10 32
11 41
12 44
13 45
14 53
15 56
16 57
17 60
18 68
19 69
20 77
21 81
22 84
23 89
24 92
25 96
26 108
27 113
28 117
29 120
30 132
31 144
32 149
33 156
34 164
35 185
36 197
37 200
38 201
39 212
40 213
41 224
42 233
43 236
44 248
45 252
46 260
47 264
48 269
49 281
50 288
51 300
52 312
53 317
54 321
55 324
56 329
57 344
58 353

List of values

[1, 5, 8, 9, 12, 17, 21, 24, 29, 32, 41, 44, 45, 53, 56, 57, 60, 68, 69, 77, 81, 84, 89, 92, 96, 108, 113, 117, 120, 132, 144, 149, 156, 164, 185, 197, 200, 201, 212, 213, 224, 233, 236, 248, 252, 260, 264, 269, 281, 288, 300, 312, 317, 321, 324, 329, 344, 353]

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

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