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.

A194634 Numbers n such that k= n^2 + n + 41 is composite and there is no integer x such that n= x^2 + 40; n= (x^2+x)/2 + 81; or n= 3*x^2 - 2x + 122.

Table of values

n a(n)
1 127
2 138
3 155
4 163
5 164
6 170
7 173
8 178
9 185
10 190
11 204
12 205
13 207
14 208
15 213
16 215
17 216
18 232
19 237
20 239
21 242
22 244
23 245
24 246
25 248
26 249
27 251
28 256
29 259
30 261
31 266
32 268
33 270
34 278
35 279
36 283
37 284
38 286
39 287
40 289
41 295
42 299
43 300
44 301
45 302
46 309
47 314
48 321
49 325
50 326
51 327
52 328

List of values

[127, 138, 155, 163, 164, 170, 173, 178, 185, 190, 204, 205, 207, 208, 213, 215, 216, 232, 237, 239, 242, 244, 245, 246, 248, 249, 251, 256, 259, 261, 266, 268, 270, 278, 279, 283, 284, 286, 287, 289, 295, 299, 300, 301, 302, 309, 314, 321, 325, 326, 327, 328]

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

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