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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.

A176608 Primes of the form x^2 + 5*y^2, where x and y=x+1 are consecutive natural numbers.

Table of values

n a(n)
1 5
2 89
3 281
4 1321
5 2129
6 2861
7 3701
8 4649
9 6469
10 6869
11 9049
12 9521
13 10501
14 13729
15 17389
16 18041
17 19381
18 21481
19 23689
20 26801
21 28429
22 33601
23 42169
24 71069
25 75041
26 81901
27 86161
28 90529
29 92009
30 101141
31 104281
32 113989
33 129361
34 131129
35 153281
36 157141
37 163021
38 169009
39 171029
40 200569
41 209441
42 213949
43 259169
44 274349
45 282101
46 314189
47 339389
48 371509
49 374501
50 383549
51 417649

List of values

[5, 89, 281, 1321, 2129, 2861, 3701, 4649, 6469, 6869, 9049, 9521, 10501, 13729, 17389, 18041, 19381, 21481, 23689, 26801, 28429, 33601, 42169, 71069, 75041, 81901, 86161, 90529, 92009, 101141, 104281, 113989, 129361, 131129, 153281, 157141, 163021, 169009, 171029, 200569, 209441, 213949, 259169, 274349, 282101, 314189, 339389, 371509, 374501, 383549, 417649]

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

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