A209287 - cp's OEIS frontend

A209287 Minimal m>=0 such that prime(n)+2m-1 has form 2^kp, where k>=0 and p is prime.

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

[1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 1, 2, 1, 1, 0, 0, 0, 2, 1, 0, 2, 0, 1, 2, 0, 2, 0, 1, 1, 1, 0, 0, 0, 2, 1, 0, 3, 2, 1, 1, 0, 2, 0, 3, 2, 2, 0, 0, 0, 1, 1, 2, 1, 0, 4, 2, 1, 0, 1, 4, 0, 2, 0, 0, 1, 2, 2, 0, 0, 1, 2, 2, 2, 1, 3, 2, 4, 2, 0]

cp's OEIS Frontend

A209287 Minimal m>=0 such that prime(n)+2m-1 has form 2^kp, where k>=0 and p is prime.

Table of values

List of values

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

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

cp's OEIS Frontend

A209287 Minimal m>=0 such that prime(n)+2*m-1 has form 2^k*p, where k>=0 and p is prime.

Table of values

List of values

A209287 Minimal m>=0 such that prime(n)+2m-1 has form 2^kp, where k>=0 and p is prime.

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