A345161 - cp's OEIS frontend

A345161 If n = Product (p_j^k_j) then a(n) = max (nextprime(p_j) - p_j), where nextprime = A151800.

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

[1, 1, 2, 1, 2, 2, 4, 1, 2, 2, 2, 2, 4, 4, 2, 1, 2, 2, 4, 2, 4, 2, 6, 2, 2, 4, 2, 4, 2, 2, 6, 1, 2, 2, 4, 2, 4, 4, 4, 2, 2, 4, 4, 2, 2, 6, 6, 2, 4, 2, 2, 4, 6, 2, 2, 4, 4, 2, 2, 2, 6, 6, 4, 1, 4, 2, 4, 2, 6, 4, 2, 2, 6, 4, 2, 4, 4, 4, 4, 2, 2, 2, 6, 4, 2, 4, 2, 2, 8, 2]

cp's OEIS Frontend

A345161 If n = Product (p_j^k_j) then a(n) = max (nextprime(p_j) - p_j), where nextprime = A151800.

Table of values

List of values

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

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

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