A328839 - cp's OEIS frontend

A328839 Smallest prime not dividing n times smallest prime not dividing A276087(n).

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

[4, 15, 4, 21, 4, 25, 4, 21, 4, 33, 4, 15, 4, 33, 4, 21, 4, 25, 4, 39, 4, 39, 4, 15, 4, 39, 4, 51, 4, 21, 4, 21, 4, 15, 4, 25, 4, 33, 4, 39, 4, 15, 4, 39, 4, 39, 4, 25, 4, 51, 4, 51, 4, 15, 4, 51, 4, 33, 4, 21, 4, 33, 4, 21, 4, 25, 4, 39, 4, 39, 4, 15, 4, 51, 4, 51, 4, 25, 4, 51, 4, 57, 4, 15, 4, 39, 4, 57, 4, 21, 4, 39, 4, 51, 4]

cp's OEIS Frontend

A328839 Smallest prime not dividing n times smallest prime not dividing A276087(n).

Table of values

List of values

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

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

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