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.

A247384 Find the first (maximal) string of consecutive primes of length exactly n which alternate between 4*k+1 and 4*k+3 or 4*k+3 and 4*k+1 as in A002144(4*n+1) and A002145(4*n+3). The first element is a(n).

Table of values

n a(n)
1 97
2 11
3 3
4 23
5 47
6 167
7 131
8 2011
9 233
10 23633
11 34499
12 1013
13 9341
14 90659
15 521
16 51749
17 505049
18 1391087
19 2264839
20 2556713
21 17123893
22 2569529
23 15090641
24 18246451
25 6160043
26 1557431471
27 43679609
28 198572029
29 701575297
30 5552898499
31 6639843979
32 61233611783
33 9005520203

List of values

[97, 11, 3, 23, 47, 167, 131, 2011, 233, 23633, 34499, 1013, 9341, 90659, 521, 51749, 505049, 1391087, 2264839, 2556713, 17123893, 2569529, 15090641, 18246451, 6160043, 1557431471, 43679609, 198572029, 701575297, 5552898499, 6639843979, 61233611783, 9005520203]