A333878 - cp's OEIS frontend

A333878 a(n) is the number of primes 2^(n-1) <= p < 2^n with minimal Hamming weight A091935(n-1) in this interval.

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

[1, 1, 2, 1, 2, 3, 3, 1, 4, 2, 3, 2, 2, 2, 4, 1, 3, 4, 5, 3, 2, 1, 5, 1, 32, 2, 5, 2, 2, 8, 6, 37, 5, 3, 4, 2, 3, 2, 2, 57, 3, 5, 52, 1, 5, 3, 7, 63, 1, 2, 5, 1, 5, 2, 6, 87, 6, 99, 2, 3, 2, 1, 2, 102, 2, 3, 5, 3, 6, 2, 2, 2, 5, 2, 7, 1, 3, 2, 3, 1, 6, 2, 4, 3, 3]

cp's OEIS Frontend

A333878 a(n) is the number of primes 2^(n-1) <= p < 2^n with minimal Hamming weight A091935(n-1) in this interval.

Table of values

List of values

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

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

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