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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.

A064397 Numbers k such that prime(k) + prime(k+1) is a square.

Table of values

n a(n)
1 7
2 15
3 20
4 61
5 152
6 190
7 293
8 377
9 492
10 558
11 789
12 919
13 942
14 1768
15 2343
16 2429
17 2693
18 2952
19 3136
20 3720
21 4837
22 5421
23 5722
24 6870
25 7347
26 8126
27 8193
28 9465
29 9857
30 9927
31 10410
32 10483
33 10653
34 12685
35 13763
36 13955
37 16033
38 16342
39 17859
40 18367
41 18474

List of values

[7, 15, 20, 61, 152, 190, 293, 377, 492, 558, 789, 919, 942, 1768, 2343, 2429, 2693, 2952, 3136, 3720, 4837, 5421, 5722, 6870, 7347, 8126, 8193, 9465, 9857, 9927, 10410, 10483, 10653, 12685, 13763, 13955, 16033, 16342, 17859, 18367, 18474]

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

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