A064892 - cp's OEIS frontend

A064892 "Binary potency" of n-th prime p: length of shortest blocks of 0's inserted between the bits of p required to "dilute" it into a nonprime.

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

[1, 2, 2, 1, 1, 1, 2, 1, 2, 3, 1, 1, 1, 3, 3, 3, 1, 3, 1, 1, 1, 1, 2, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 3, 4, 2, 1, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 2, 2, 2, 1, 1, 2, 4, 2, 1, 2, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 4, 3, 1, 1, 2, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 2, 1]

cp's OEIS Frontend

A064892 "Binary potency" of n-th prime p: length of shortest blocks of 0's inserted between the bits of p required to "dilute" it into a nonprime.

Table of values

List of values

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

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

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