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.

A283928 Numbers k such that prime(k) divides primorial(j) + 1 for exactly three integers j.

Table of values

n a(n)
1 436
2 2753
3 13396
4 19960
5 24293
6 26157
7 58492
8 58723
9 61935
10 121992
11 136592
12 145803
13 149027
14 159752
15 179811
16 180776
17 184575
18 194499
19 262321
20 268645
21 280911
22 315198
23 327876
24 339951
25 364307
26 390394
27 413010
28 433626
29 444744
30 492661
31 510412
32 518156
33 541925
34 542177

List of values

[436, 2753, 13396, 19960, 24293, 26157, 58492, 58723, 61935, 121992, 136592, 145803, 149027, 159752, 179811, 180776, 184575, 194499, 262321, 268645, 280911, 315198, 327876, 339951, 364307, 390394, 413010, 433626, 444744, 492661, 510412, 518156, 541925, 542177]

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

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