A247093 - cp's OEIS frontend

A247093 Triangle read by rows: T(m,n) = smallest odd prime p such that (m^p-n^p)/(m-n) is prime (0 or 0 if no such p exists.

n	a(n)
1	3
2	3
3	3
4	0
5	0
6	3
7	3
8	5
9	13
10	3
11	3
12	0
13	0
14	0
15	5
16	5
17	3
18	3
19	5
20	3
21	3
22	3
23	0
24	3
25	0
26	19
27	0
28	7
29	0
30	3
31	0
32	0
33	3
34	0
35	3
36	7
37	19
38	0
39	3
40	0
41	0
42	0
43	31
44	0
45	3
46	17
47	5
48	3
49	3
50	5
51	3
52	5
53	7
54	5
55	3
56	3
57	0
58	0
59	0
60	3
61	0
62	3
63	0
64	0
65	0
66	3
67	5
68	3
69	7
70	5
71	5
72	3
73	7
74	3
75	3
76	251
77	3
78	17
79	3
80	0
81	5
82	0
83	151
84	0
85	0
86	0
87	59
88	0
89	5
90	0
91	3
92	3
93	5
94	0
95	1097
96	0
97	0
98	3
99	3
100	0
101	0
102	7
103	0
104	17
105	3

[3, 3, 3, 0, 0, 3, 3, 5, 13, 3, 3, 0, 0, 0, 5, 5, 3, 3, 5, 3, 3, 3, 0, 3, 0, 19, 0, 7, 0, 3, 0, 0, 3, 0, 3, 7, 19, 0, 3, 0, 0, 0, 31, 0, 3, 17, 5, 3, 3, 5, 3, 5, 7, 5, 3, 3, 0, 0, 0, 3, 0, 3, 0, 0, 0, 3, 5, 3, 7, 5, 5, 3, 7, 3, 3, 251, 3, 17, 3, 0, 5, 0, 151, 0, 0, 0, 59, 0, 5, 0, 3, 3, 5, 0, 1097, 0, 0, 3, 3, 0, 0, 7, 0, 17, 3]

cp's OEIS Frontend

A247093 Triangle read by rows: T(m,n) = smallest odd prime p such that (m^p-n^p)/(m-n) is prime (0 or 0 if no such p exists.

Table of values

List of values