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.

A096160 Numbers whose proper divisors can be arranged in such a way that all sums of adjacent pairs are primes.

Table of values

n a(n)
1 4
2 6
3 8
4 10
5 12
6 22
7 30
8 34
9 58
10 82
11 118
12 142
13 202
14 214
15 274
16 298
17 358
18 382
19 394
20 454
21 478
22 538
23 562
24 622
25 694
26 838
27 862
28 922
29 1038
30 1042
31 1138
32 1198
33 1234
34 1282
35 1318
36 1618
37 1642
38 1654
39 1714
40 1762
41 2038
42 2062
43 2098
44 2122
45 2182
46 2302
47 2458
48 2554
49 2578
50 2602

List of values

[4, 6, 8, 10, 12, 22, 30, 34, 58, 82, 118, 142, 202, 214, 274, 298, 358, 382, 394, 454, 478, 538, 562, 622, 694, 838, 862, 922, 1038, 1042, 1138, 1198, 1234, 1282, 1318, 1618, 1642, 1654, 1714, 1762, 2038, 2062, 2098, 2122, 2182, 2302, 2458, 2554, 2578, 2602]

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

Content is available under The OEIS End-User License Agreement.