A367647 - cp's OEIS frontend

A367647 Irregular triangle read by rows in which row n lists the positive values k such that there are no primes between kn and k(n + 1), or -1 if no such k exists.

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

[1, 1, 2, 1, 4, 2, 1, 3, 4, 1, 2, 3, 2, 4, 2, 9, 1, 1, 6, 2, 3, 2, 7, 3, 5, 2, 6, 1, 6, 7, 10, 1, 3, 4, 2, 4, 5, 1, 2, 5, 1, 2, 3, 8, 1, 7, 1, 2, 2, 3, 5, 4, 7, 11, 3, 4, 2, 3, 1, 2, 10, 1, 4, 9, 1, 2, 6, 1, 4, 15, 4, 6, 2, 5, 8, 1, 2, 3, 4, 1, 3, 2, 3, 5, 8, 3, 5, 2, 4, 7, 2, 5, 1, 3, 12, 1, 2, 2, 4, 7]

cp's OEIS Frontend

A367647 Irregular triangle read by rows in which row n lists the positive values k such that there are no primes between kn and k(n + 1), or -1 if no such k exists.

Table of values

List of values

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

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

cp's OEIS Frontend

A367647 Irregular triangle read by rows in which row n lists the positive values k such that there are no primes between k*n and k*(n + 1), or -1 if no such k exists.

Table of values

List of values

A367647 Irregular triangle read by rows in which row n lists the positive values k such that there are no primes between kn and k(n + 1), or -1 if no such k exists.

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