A204897 - cp's OEIS frontend

A204897 a(n) = (p(n)-q(n))/n, where (p(n), q(n)) is the least pair of primes for which n divides p(n)-q(n).

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

[1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 2, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 2, 1, 1, 1, 2, 1, 2, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1]

cp's OEIS Frontend

A204897 a(n) = (p(n)-q(n))/n, where (p(n), q(n)) is the least pair of primes for which n divides p(n)-q(n).

Table of values

List of values

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

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

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