A220093 - cp's OEIS frontend

A220093 a(n) is the smallest odd positive integer > 1 that makes the composite number 2n-a(n)p1 divisible by p2, where p1 and p2 are the smallest and 2nd smallest odd prime numbers that are not factors of n. When no such odd positive integer exists, a(n)=0.

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	3
18	0
19	0
20	0
21	0
22	3
23	7
24	0
25	0
26	9
27	0
28	0
29	11
30	0
31	9
32	3
33	0
34	11
35	0
36	0
37	3
38	7
39	0
40	0
41	9
42	0
43	7
44	21
45	0
46	9
47	3
48	0
49	11
50	3
51	5
52	3
53	7
54	0
55	0
56	9
57	13
58	7
59	11
60	0
61	9
62	3
63	0
64	11
65	27
66	0
67	3
68	7
69	0
70	0
71	9
72	5
73	7
74	11
75	0
76	9
77	3
78	0
79	11
80	9
81	17
82	3
83	7
84	5

[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 7, 0, 0, 9, 0, 0, 11, 0, 9, 3, 0, 11, 0, 0, 3, 7, 0, 0, 9, 0, 7, 21, 0, 9, 3, 0, 11, 3, 5, 3, 7, 0, 0, 9, 13, 7, 11, 0, 9, 3, 0, 11, 27, 0, 3, 7, 0, 0, 9, 5, 7, 11, 0, 9, 3, 0, 11, 9, 17, 3, 7, 5]

cp's OEIS Frontend

A220093 a(n) is the smallest odd positive integer > 1 that makes the composite number 2n-a(n)p1 divisible by p2, where p1 and p2 are the smallest and 2nd smallest odd prime numbers that are not factors of n. When no such odd positive integer exists, a(n)=0.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	3
18	0
19	0
20	0
21	0
22	3
23	7
24	0
25	0
26	9
27	0
28	0
29	11
30	0
31	9
32	3
33	0
34	11
35	0
36	0
37	3
38	7
39	0
40	0
41	9
42	0
43	7
44	21
45	0
46	9
47	3
48	0
49	11
50	3
51	5
52	3
53	7
54	0
55	0
56	9
57	13
58	7
59	11
60	0
61	9
62	3
63	0
64	11
65	27
66	0
67	3
68	7
69	0
70	0
71	9
72	5
73	7
74	11
75	0
76	9
77	3
78	0
79	11
80	9
81	17
82	3
83	7
84	5

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	3
18	0
19	0
20	0
21	0
22	3
23	7
24	0
25	0
26	9
27	0
28	0
29	11
30	0
31	9
32	3
33	0
34	11
35	0
36	0
37	3
38	7
39	0
40	0
41	9
42	0
43	7
44	21
45	0
46	9
47	3
48	0
49	11
50	3
51	5
52	3
53	7
54	0
55	0
56	9
57	13
58	7
59	11
60	0
61	9
62	3
63	0
64	11
65	27
66	0
67	3
68	7
69	0
70	0
71	9
72	5
73	7
74	11
75	0
76	9
77	3
78	0
79	11
80	9
81	17
82	3
83	7
84	5

cp's OEIS Frontend

A220093 a(n) is the smallest odd positive integer > 1 that makes the composite number 2*n-a(n)*p1 divisible by p2, where p1 and p2 are the smallest and 2nd smallest odd prime numbers that are not factors of n. When no such odd positive integer exists, a(n)=0.

Table of values

List of values

A220093 a(n) is the smallest odd positive integer > 1 that makes the composite number 2n-a(n)p1 divisible by p2, where p1 and p2 are the smallest and 2nd smallest odd prime numbers that are not factors of n. When no such odd positive integer exists, a(n)=0.

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	3
18	0
19	0
20	0
21	0
22	3
23	7
24	0
25	0
26	9
27	0
28	0
29	11
30	0
31	9
32	3
33	0
34	11
35	0
36	0
37	3
38	7
39	0
40	0
41	9
42	0
43	7
44	21
45	0
46	9
47	3
48	0
49	11
50	3
51	5
52	3
53	7
54	0
55	0
56	9
57	13
58	7
59	11
60	0
61	9
62	3
63	0
64	11
65	27
66	0
67	3
68	7
69	0
70	0
71	9
72	5
73	7
74	11
75	0
76	9
77	3
78	0
79	11
80	9
81	17
82	3
83	7
84	5