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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.

A276414 Index of the first prime which starts a run of n consecutive primes all congruent to each other mod 3 (or mod 6).

Table of values

n a(n)
1 1
2 9
3 15
4 54
5 271
6 271
7 2209
8 11199
9 13717
10 13717
11 34369
12 136456
13 172146
14 1254203
15 1254203
16 4308948
17 12762142
18 21357253
19 25813464
20 25813464
21 39500857
22 39500857
23 947438659
24 947438659
25 947438659
26 5703167678
27 5703167678
28 16976360924
29 57446769091
30 57446769091
31 57446769091

List of values

[1, 9, 15, 54, 271, 271, 2209, 11199, 13717, 13717, 34369, 136456, 172146, 1254203, 1254203, 4308948, 12762142, 21357253, 25813464, 25813464, 39500857, 39500857, 947438659, 947438659, 947438659, 5703167678, 5703167678, 16976360924, 57446769091, 57446769091, 57446769091]

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

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