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.

A379960 Numbers k such that A276086(k)-1 or A276086(k)+1 is a perfect power (A001597), where A276086 is the primorial base exp-function.

Table of values

n a(n)
1 1
2 2
3 4
4 6
5 7
6 8
7 13
8 30
9 34
10 35
11 36
12 212
13 214
14 248
15 254
16 421
17 2311
18 2316
19 2318
20 2322
21 2329
22 2350
23 2520
24 2550
25 2564
26 2776
27 4654
28 5076
29 9241
30 30030
31 30037
32 30038
33 30092
34 30120
35 30480
36 32341
37 32347
38 32374
39 34662
40 60066
41 510515
42 510542
43 510547
44 510728
45 510746
46 512850
47 512886
48 515134
49 540540
50 540818
51 542862
52 542888
53 1021442

List of values

[1, 2, 4, 6, 7, 8, 13, 30, 34, 35, 36, 212, 214, 248, 254, 421, 2311, 2316, 2318, 2322, 2329, 2350, 2520, 2550, 2564, 2776, 4654, 5076, 9241, 30030, 30037, 30038, 30092, 30120, 30480, 32341, 32347, 32374, 34662, 60066, 510515, 510542, 510547, 510728, 510746, 512850, 512886, 515134, 540540, 540818, 542862, 542888, 1021442]