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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.

A194565 Numbers n such that n^2 + n + 41 is composite and n is not a lattice point on the parabolas p1 = x^2 + 40 or p2 = (x^2+x)/2 + 81.

Table of values

n a(n)
1 122
2 123
3 127
4 130
5 138
6 143
7 155
8 162
9 163
10 164
11 170
12 173
13 178
14 185
15 187
16 190
17 204
18 205
19 207
20 208
21 213
22 215
23 216
24 218
25 232
26 237
27 239
28 242
29 244
30 245
31 246
32 248
33 249
34 251
35 255
36 256
37 259
38 261
39 266
40 268
41 270
42 278
43 279
44 283
45 284
46 286
47 287
48 289
49 295
50 298
51 299
52 300

List of values

[122, 123, 127, 130, 138, 143, 155, 162, 163, 164, 170, 173, 178, 185, 187, 190, 204, 205, 207, 208, 213, 215, 216, 218, 232, 237, 239, 242, 244, 245, 246, 248, 249, 251, 255, 256, 259, 261, 266, 268, 270, 278, 279, 283, 284, 286, 287, 289, 295, 298, 299, 300]

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

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