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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.

A255607 Numbers n such that both 4*n+1 and 6*n+1 are primes.

Table of values

n a(n)
1 1
2 3
3 7
4 10
5 13
6 18
7 25
8 27
9 37
10 45
11 58
12 70
13 73
14 87
15 100
16 102
17 105
18 112
19 115
20 135
21 142
22 153
23 165
24 168
25 175
26 177
27 192
28 202
29 205
30 213
31 220
32 238
33 255
34 258
35 277
36 282
37 298
38 300
39 312
40 322
41 325
42 352
43 357
44 363
45 370
46 373
47 417
48 423
49 447
50 465
51 472
52 475
53 513
54 520

List of values

[1, 3, 7, 10, 13, 18, 25, 27, 37, 45, 58, 70, 73, 87, 100, 102, 105, 112, 115, 135, 142, 153, 165, 168, 175, 177, 192, 202, 205, 213, 220, 238, 255, 258, 277, 282, 298, 300, 312, 322, 325, 352, 357, 363, 370, 373, 417, 423, 447, 465, 472, 475, 513, 520]

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

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