A305445 - cp's OEIS frontend

A305445 Minimum number of bit inversions to convert n into a prime.

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

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

cp's OEIS Frontend

A305445 Minimum number of bit inversions to convert n into a prime.

Table of values

List of values

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

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

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