A086489 - cp's OEIS frontend

A086489 Smallest k such that k and k + n have the same prime signature.

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

[2, 3, 2, 3, 2, 5, 14, 3, 2, 3, 2, 5, 21, 3, 2, 3, 2, 5, 8, 3, 2, 7, 10, 5, 10, 3, 2, 3, 2, 7, 15, 5, 6, 3, 2, 5, 14, 3, 2, 3, 2, 5, 14, 3, 2, 7, 10, 5, 6, 3, 2, 6, 21, 5, 10, 3, 2, 3, 2, 7, 21, 5, 6, 3, 2, 5, 10, 3, 2, 3, 2, 7, 14, 5, 10, 3, 2, 5, 6, 3, 2, 7, 10, 5, 6, 3, 2, 6, 6, 7, 15, 5, 22, 3, 2, 5, 14]

cp's OEIS Frontend

A086489 Smallest k such that k and k + n have the same prime signature.

Table of values

List of values

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

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

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