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.

A139220 Numbers k such that 41+(k+k^2)/2 = 41+A000217(k) is prime.

Table of values

n a(n)
1 0
2 3
3 11
4 20
5 23
6 27
7 32
8 39
9 44
10 48
11 51
12 56
13 59
14 60
15 83
16 104
17 108
18 111
19 116
20 128
21 132
22 135
23 143
24 171
25 188
26 203
27 207
28 212
29 227
30 240
31 251
32 263
33 275
34 296
35 300
36 312
37 315
38 324
39 356
40 359
41 363
42 380
43 384
44 392
45 399
46 408
47 443
48 447
49 476
50 479
51 483
52 504
53 507
54 515
55 527
56 528

List of values

[0, 3, 11, 20, 23, 27, 32, 39, 44, 48, 51, 56, 59, 60, 83, 104, 108, 111, 116, 128, 132, 135, 143, 171, 188, 203, 207, 212, 227, 240, 251, 263, 275, 296, 300, 312, 315, 324, 356, 359, 363, 380, 384, 392, 399, 408, 443, 447, 476, 479, 483, 504, 507, 515, 527, 528]