A351380 - cp's OEIS frontend

A351380 Table read by rows: T(n,k) is the number of integers in the interval [2^(n-1), 2^n - 1] that have the k-th least prime signature.

n	a(n)
1	1
2	0
3	2
4	0
5	2
6	1
7	1
8	0
9	2
10	1
11	3
12	1
13	1
14	0
15	5
16	1
17	3
18	1
19	3
20	1
21	1
22	1
23	0
24	7
25	1
26	11
27	0
28	5
29	0
30	3
31	1
32	1
33	1
34	1
35	1
36	0
37	13
38	1
39	19
40	1
41	9
42	1
43	2
44	7
45	0
46	1
47	2
48	3
49	1
50	2
51	1
52	1
53	0
54	23
55	1
56	39
57	0
58	14
59	0
60	8
61	16
62	1
63	2
64	3
65	9
66	0
67	1
68	2
69	1
70	1
71	1
72	2
73	1
74	1
75	1
76	1
77	0
78	43
79	2
80	73
81	1
82	27
83	0
84	11
85	37
86	0
87	2
88	6
89	20
90	0
91	2
92	3
93	8
94	0
95	2
96	4
97	2
98	4
99	0
100	1
101	1
102	1
103	2
104	1
105	1
106	1
107	1

[1, 0, 2, 0, 2, 1, 1, 0, 2, 1, 3, 1, 1, 0, 5, 1, 3, 1, 3, 1, 1, 1, 0, 7, 1, 11, 0, 5, 0, 3, 1, 1, 1, 1, 1, 0, 13, 1, 19, 1, 9, 1, 2, 7, 0, 1, 2, 3, 1, 2, 1, 1, 0, 23, 1, 39, 0, 14, 0, 8, 16, 1, 2, 3, 9, 0, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 0, 43, 2, 73, 1, 27, 0, 11, 37, 0, 2, 6, 20, 0, 2, 3, 8, 0, 2, 4, 2, 4, 0, 1, 1, 1, 2, 1, 1, 1, 1]

cp's OEIS Frontend

A351380 Table read by rows: T(n,k) is the number of integers in the interval [2^(n-1), 2^n - 1] that have the k-th least prime signature.

Table of values

List of values

n	a(n)
1	1
2	0
3	2
4	0
5	2
6	1
7	1
8	0
9	2
10	1
11	3
12	1
13	1
14	0
15	5
16	1
17	3
18	1
19	3
20	1
21	1
22	1
23	0
24	7
25	1
26	11
27	0
28	5
29	0
30	3
31	1
32	1
33	1
34	1
35	1
36	0
37	13
38	1
39	19
40	1
41	9
42	1
43	2
44	7
45	0
46	1
47	2
48	3
49	1
50	2
51	1
52	1
53	0
54	23
55	1
56	39
57	0
58	14
59	0
60	8
61	16
62	1
63	2
64	3
65	9
66	0
67	1
68	2
69	1
70	1
71	1
72	2
73	1
74	1
75	1
76	1
77	0
78	43
79	2
80	73
81	1
82	27
83	0
84	11
85	37
86	0
87	2
88	6
89	20
90	0
91	2
92	3
93	8
94	0
95	2
96	4
97	2
98	4
99	0
100	1
101	1
102	1
103	2
104	1
105	1
106	1
107	1

n	a(n)
1	1
2	0
3	2
4	0
5	2
6	1
7	1
8	0
9	2
10	1
11	3
12	1
13	1
14	0
15	5
16	1
17	3
18	1
19	3
20	1
21	1
22	1
23	0
24	7
25	1
26	11
27	0
28	5
29	0
30	3
31	1
32	1
33	1
34	1
35	1
36	0
37	13
38	1
39	19
40	1
41	9
42	1
43	2
44	7
45	0
46	1
47	2
48	3
49	1
50	2
51	1
52	1
53	0
54	23
55	1
56	39
57	0
58	14
59	0
60	8
61	16
62	1
63	2
64	3
65	9
66	0
67	1
68	2
69	1
70	1
71	1
72	2
73	1
74	1
75	1
76	1
77	0
78	43
79	2
80	73
81	1
82	27
83	0
84	11
85	37
86	0
87	2
88	6
89	20
90	0
91	2
92	3
93	8
94	0
95	2
96	4
97	2
98	4
99	0
100	1
101	1
102	1
103	2
104	1
105	1
106	1
107	1

n	a(n)
1	1
2	0
3	2
4	0
5	2
6	1
7	1
8	0
9	2
10	1
11	3
12	1
13	1
14	0
15	5
16	1
17	3
18	1
19	3
20	1
21	1
22	1
23	0
24	7
25	1
26	11
27	0
28	5
29	0
30	3
31	1
32	1
33	1
34	1
35	1
36	0
37	13
38	1
39	19
40	1
41	9
42	1
43	2
44	7
45	0
46	1
47	2
48	3
49	1
50	2
51	1
52	1
53	0
54	23
55	1
56	39
57	0
58	14
59	0
60	8
61	16
62	1
63	2
64	3
65	9
66	0
67	1
68	2
69	1
70	1
71	1
72	2
73	1
74	1
75	1
76	1
77	0
78	43
79	2
80	73
81	1
82	27
83	0
84	11
85	37
86	0
87	2
88	6
89	20
90	0
91	2
92	3
93	8
94	0
95	2
96	4
97	2
98	4
99	0
100	1
101	1
102	1
103	2
104	1
105	1
106	1
107	1