A172069 - cp's OEIS frontend

A172069 The number of primes adjacent to A129912(n): 0, 1 or 2.

n	a(n)
1	1
2	1
3	2
4	2
5	2
6	2
7	2
8	1
9	1
10	2
11	1
12	2
13	1
14	1
15	2
16	1
17	1
18	0
19	1
20	1
21	0
22	0
23	0
24	1
25	2
26	0
27	2
28	1
29	0
30	1
31	0
32	1
33	1
34	0
35	1
36	1
37	0
38	0
39	0
40	0
41	0
42	0
43	0
44	1
45	0
46	1
47	0
48	1
49	1
50	0
51	1
52	0
53	0
54	1
55	1
56	1
57	0
58	1
59	1
60	0
61	0
62	0
63	1
64	1
65	1
66	0
67	0
68	0
69	2
70	1
71	0
72	1
73	0
74	1
75	0
76	0
77	0
78	1
79	1
80	1
81	0
82	1
83	0
84	1
85	0
86	0
87	1
88	0
89	0
90	0
91	1
92	0
93	1
94	1
95	0
96	1
97	1
98	1
99	0
100	0
101	0
102	1
103	1
104	2
105	0
106	0

[1, 1, 2, 2, 2, 2, 2, 1, 1, 2, 1, 2, 1, 1, 2, 1, 1, 0, 1, 1, 0, 0, 0, 1, 2, 0, 2, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 2, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 1, 1, 2, 0, 0]

cp's OEIS Frontend

A172069 The number of primes adjacent to A129912(n): 0, 1 or 2.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	2
5	2
6	2
7	2
8	1
9	1
10	2
11	1
12	2
13	1
14	1
15	2
16	1
17	1
18	0
19	1
20	1
21	0
22	0
23	0
24	1
25	2
26	0
27	2
28	1
29	0
30	1
31	0
32	1
33	1
34	0
35	1
36	1
37	0
38	0
39	0
40	0
41	0
42	0
43	0
44	1
45	0
46	1
47	0
48	1
49	1
50	0
51	1
52	0
53	0
54	1
55	1
56	1
57	0
58	1
59	1
60	0
61	0
62	0
63	1
64	1
65	1
66	0
67	0
68	0
69	2
70	1
71	0
72	1
73	0
74	1
75	0
76	0
77	0
78	1
79	1
80	1
81	0
82	1
83	0
84	1
85	0
86	0
87	1
88	0
89	0
90	0
91	1
92	0
93	1
94	1
95	0
96	1
97	1
98	1
99	0
100	0
101	0
102	1
103	1
104	2
105	0
106	0

n	a(n)
1	1
2	1
3	2
4	2
5	2
6	2
7	2
8	1
9	1
10	2
11	1
12	2
13	1
14	1
15	2
16	1
17	1
18	0
19	1
20	1
21	0
22	0
23	0
24	1
25	2
26	0
27	2
28	1
29	0
30	1
31	0
32	1
33	1
34	0
35	1
36	1
37	0
38	0
39	0
40	0
41	0
42	0
43	0
44	1
45	0
46	1
47	0
48	1
49	1
50	0
51	1
52	0
53	0
54	1
55	1
56	1
57	0
58	1
59	1
60	0
61	0
62	0
63	1
64	1
65	1
66	0
67	0
68	0
69	2
70	1
71	0
72	1
73	0
74	1
75	0
76	0
77	0
78	1
79	1
80	1
81	0
82	1
83	0
84	1
85	0
86	0
87	1
88	0
89	0
90	0
91	1
92	0
93	1
94	1
95	0
96	1
97	1
98	1
99	0
100	0
101	0
102	1
103	1
104	2
105	0
106	0

n	a(n)
1	1
2	1
3	2
4	2
5	2
6	2
7	2
8	1
9	1
10	2
11	1
12	2
13	1
14	1
15	2
16	1
17	1
18	0
19	1
20	1
21	0
22	0
23	0
24	1
25	2
26	0
27	2
28	1
29	0
30	1
31	0
32	1
33	1
34	0
35	1
36	1
37	0
38	0
39	0
40	0
41	0
42	0
43	0
44	1
45	0
46	1
47	0
48	1
49	1
50	0
51	1
52	0
53	0
54	1
55	1
56	1
57	0
58	1
59	1
60	0
61	0
62	0
63	1
64	1
65	1
66	0
67	0
68	0
69	2
70	1
71	0
72	1
73	0
74	1
75	0
76	0
77	0
78	1
79	1
80	1
81	0
82	1
83	0
84	1
85	0
86	0
87	1
88	0
89	0
90	0
91	1
92	0
93	1
94	1
95	0
96	1
97	1
98	1
99	0
100	0
101	0
102	1
103	1
104	2
105	0
106	0