A240554 - cp's OEIS frontend

A240554 Square array of the greatest prime factor of n^k + 1, read by antidiagonals.

n	a(n)
1	1
2	2
3	1
4	3
5	2
6	1
7	2
8	5
9	2
10	1
11	5
12	5
13	3
14	2
15	1
16	3
17	17
18	7
19	17
20	2
21	1
22	7
23	13
24	13
25	41
26	11
27	2
28	1
29	2
30	37
31	7
32	257
33	61
34	13
35	2
36	1
37	3
38	5
39	31
40	313
41	41
42	73
43	43
44	2
45	1
46	5
47	13
48	43
49	1297
50	521
51	241
52	547
53	257
54	2
55	1
56	11
57	41
58	19
59	1201
60	101
61	601
62	113
63	193
64	19
65	2
66	1
67	3
68	101
69	73
70	241

[1, 2, 1, 3, 2, 1, 2, 5, 2, 1, 5, 5, 3, 2, 1, 3, 17, 7, 17, 2, 1, 7, 13, 13, 41, 11, 2, 1, 2, 37, 7, 257, 61, 13, 2, 1, 3, 5, 31, 313, 41, 73, 43, 2, 1, 5, 13, 43, 1297, 521, 241, 547, 257, 2, 1, 11, 41, 19, 1201, 101, 601, 113, 193, 19, 2, 1, 3, 101, 73, 241]

cp's OEIS Frontend

A240554 Square array of the greatest prime factor of n^k + 1, read by antidiagonals.

Table of values

List of values