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.

A217064 Primes that remain prime when a single "5" digit is inserted between any two adjacent decimal digits.

Table of values

n a(n)
1 11
2 17
3 47
4 71
5 83
6 89
7 149
8 167
9 179
10 251
11 257
12 293
13 347
14 359
15 383
16 419
17 461
18 467
19 491
20 557
21 563
22 569
23 653
24 773
25 911
26 1193
27 1217
28 1277
29 1451
30 1559
31 1667
32 1823
33 1901
34 2243
35 2309
36 2357
37 2579
38 2657
39 2999
40 3527
41 3533
42 4289
43 5051
44 5351
45 5501
46 5843
47 6089
48 6551
49 6581

List of values

[11, 17, 47, 71, 83, 89, 149, 167, 179, 251, 257, 293, 347, 359, 383, 419, 461, 467, 491, 557, 563, 569, 653, 773, 911, 1193, 1217, 1277, 1451, 1559, 1667, 1823, 1901, 2243, 2309, 2357, 2579, 2657, 2999, 3527, 3533, 4289, 5051, 5351, 5501, 5843, 6089, 6551, 6581]

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

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