A223703 - cp's OEIS frontend

A223703 Conjectured irregular triangle (with some rows blank) of numbers k such that prime(n) is the largest prime factor of k^3 - 1.

n	a(n)
1	2
2	4
3	3
4	9
5	16
6	22
7	18
8	7
9	11
10	30
11	5
12	25
13	67
14	191
15	10
16	26
17	100
18	121
19	211
20	581
21	676
22	6
23	36
24	49
25	79
26	87
27	165
28	6205
29	178
30	13
31	47
32	501
33	562
34	29
35	37
36	68
37	135
38	163
39	565
40	900
41	1369
42	1712
43	3446
44	4624
45	8
46	64
47	74
48	81
49	137
50	373
51	439
52	1451
53	1816
54	2629
55	7527
56	39209

[2, 4, 3, 9, 16, 22, 18, 7, 11, 30, 5, 25, 67, 191, 10, 26, 100, 121, 211, 581, 676, 6, 36, 49, 79, 87, 165, 6205, 178, 13, 47, 501, 562, 29, 37, 68, 135, 163, 565, 900, 1369, 1712, 3446, 4624, 8, 64, 74, 81, 137, 373, 439, 1451, 1816, 2629, 7527, 39209]

cp's OEIS Frontend

A223703 Conjectured irregular triangle (with some rows blank) of numbers k such that prime(n) is the largest prime factor of k^3 - 1.

Table of values

List of values