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.

A328249 Numbers k such that the third arithmetic derivative of A276086(k) is prime.

Table of values

n a(n)
1 5
2 15
3 21
4 31
5 43
6 79
7 91
8 98
9 104
10 106
11 223
12 229
13 231
14 254
15 255
16 289
17 291
18 301
19 305
20 423
21 453
22 456
23 487
24 670
25 674
26 677
27 692
28 702
29 730
30 736
31 2343
32 2378
33 2380
34 2400
35 2409
36 2534
37 2537
38 2543
39 2552
40 2562
41 2585
42 2602
43 2618
44 2629
45 2767
46 2804
47 2821
48 2831
49 2839
50 2942
51 2943
52 2957
53 2962
54 2963
55 2974
56 4621
57 4669
58 4672
59 4687
60 4717
61 4841
62 4844

List of values

[5, 15, 21, 31, 43, 79, 91, 98, 104, 106, 223, 229, 231, 254, 255, 289, 291, 301, 305, 423, 453, 456, 487, 670, 674, 677, 692, 702, 730, 736, 2343, 2378, 2380, 2400, 2409, 2534, 2537, 2543, 2552, 2562, 2585, 2602, 2618, 2629, 2767, 2804, 2821, 2831, 2839, 2942, 2943, 2957, 2962, 2963, 2974, 4621, 4669, 4672, 4687, 4717, 4841, 4844]