A347772 - cp's OEIS frontend

A347772 Square array read by antidiagonals downwards: T(n,k) is the smallest prime p not dividing n such that (p-1) / ord_p(n) = k (n>=2, k>=1), or 0 if no such p exists.

n	a(n)
2	3
3	7
4	2
5	43
6	11
7	0
8	113
9	67
10	3
11	2
12	251
13	13
14	0
15	11
16	11
17	31
18	41
19	17
20	13
21	19
22	2
23	1163
24	61
25	0
26	101
27	7
28	3
29	3
30	73
31	883
32	31
33	0
34	5
35	73
36	17
37	2
38	397
39	313
40	0
41	199
42	31
43	29
44	13
45	5
46	7
47	151
48	271
49	73
50	827
51	139
52	1031
53	113
54	0
55	3
56	2
57	331
58	431
59	0
60	569
61	463
62	19
63	251
64	13
65	103
66	7
67	5
68	1753
69	5743
70	151
71	487
72	97
73	43

[3, 7, 2, 43, 11, 0, 113, 67, 3, 2, 251, 13, 0, 11, 11, 31, 41, 17, 13, 19, 2, 1163, 61, 0, 101, 7, 3, 3, 73, 883, 31, 0, 5, 73, 17, 2, 397, 313, 0, 199, 31, 29, 13, 5, 7, 151, 271, 73, 827, 139, 1031, 113, 0, 3, 2, 331, 431, 0, 569, 463, 19, 251, 13, 103, 7, 5, 1753, 5743, 151, 487, 97, 43]

cp's OEIS Frontend

A347772 Square array read by antidiagonals downwards: T(n,k) is the smallest prime p not dividing n such that (p-1) / ord_p(n) = k (n>=2, k>=1), or 0 if no such p exists.

Table of values

List of values