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.

A172055 n-th number k such that 6*k-1 is composite while 6*k+1 is prime plus n-th number m such that 6*m-1 is prime while 6*m+1 is composite.

Table of values

n a(n)
1 10
2 19
3 22
4 30
5 36
6 45
7 49
8 63
9 66
10 85
11 93
12 98
13 100
14 110
15 115
16 122
17 126
18 132
19 138
20 143
21 155
22 158
23 168
24 171
25 178
26 185
27 187
28 198
29 206
30 213
31 217
32 229
33 231
34 236
35 239
36 243
37 248
38 255
39 269
40 275
41 284
42 293
43 300
44 309
45 317
46 321
47 325
48 331
49 337
50 343
51 349
52 351
53 357
54 378

List of values

[10, 19, 22, 30, 36, 45, 49, 63, 66, 85, 93, 98, 100, 110, 115, 122, 126, 132, 138, 143, 155, 158, 168, 171, 178, 185, 187, 198, 206, 213, 217, 229, 231, 236, 239, 243, 248, 255, 269, 275, 284, 293, 300, 309, 317, 321, 325, 331, 337, 343, 349, 351, 357, 378]

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

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