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.

A075228 Numbers k such that k^5 is an interprime = average of two successive primes.

Table of values

n a(n)
1 20
2 42
3 77
4 81
5 186
6 198
7 200
8 220
9 248
10 266
11 270
12 294
13 300
14 387
15 411
16 477
17 498
18 537
19 630
20 678
21 682
22 696
23 728
24 741
25 774
26 819
27 872
28 985
29 987
30 1001
31 1014
32 1037
33 1060
34 1083
35 1084
36 1087
37 1098
38 1140
39 1155
40 1162
41 1232
42 1245
43 1278
44 1316
45 1370
46 1392
47 1397
48 1402

List of values

[20, 42, 77, 81, 186, 198, 200, 220, 248, 266, 270, 294, 300, 387, 411, 477, 498, 537, 630, 678, 682, 696, 728, 741, 774, 819, 872, 985, 987, 1001, 1014, 1037, 1060, 1083, 1084, 1087, 1098, 1140, 1155, 1162, 1232, 1245, 1278, 1316, 1370, 1392, 1397, 1402]

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

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