A133995 - cp's OEIS frontend

A133995 Irregular array read by rows: n-th row contains (in numerical order) the positive integers <= n which are neither divisors of n nor are coprime to n. A 0 is put into row n if there are no such integers.

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	4
7	0
8	6
9	6
10	4
11	6
12	8
13	0
14	8
15	9
16	10
17	0
18	4
19	6
20	8
21	10
22	12
23	6
24	9
25	10
26	12
27	6
28	10
29	12
30	14
31	0
32	4
33	8
34	10
35	12
36	14
37	15
38	16
39	0
40	6
41	8
42	12
43	14
44	15
45	16
46	18
47	6
48	9
49	12
50	14
51	15
52	18
53	4
54	6
55	8
56	10
57	12
58	14
59	16
60	18
61	20
62	0
63	9
64	10
65	14
66	15
67	16
68	18
69	20
70	21
71	22
72	10
73	15
74	20
75	4
76	6
77	8
78	10
79	12
80	14
81	16
82	18
83	20
84	22
85	24
86	6
87	12
88	15
89	18
90	21
91	24

[0, 0, 0, 0, 0, 4, 0, 6, 6, 4, 6, 8, 0, 8, 9, 10, 0, 4, 6, 8, 10, 12, 6, 9, 10, 12, 6, 10, 12, 14, 0, 4, 8, 10, 12, 14, 15, 16, 0, 6, 8, 12, 14, 15, 16, 18, 6, 9, 12, 14, 15, 18, 4, 6, 8, 10, 12, 14, 16, 18, 20, 0, 9, 10, 14, 15, 16, 18, 20, 21, 22, 10, 15, 20, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 6, 12, 15, 18, 21, 24]

cp's OEIS Frontend

A133995 Irregular array read by rows: n-th row contains (in numerical order) the positive integers <= n which are neither divisors of n nor are coprime to n. A 0 is put into row n if there are no such integers.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	4
7	0
8	6
9	6
10	4
11	6
12	8
13	0
14	8
15	9
16	10
17	0
18	4
19	6
20	8
21	10
22	12
23	6
24	9
25	10
26	12
27	6
28	10
29	12
30	14
31	0
32	4
33	8
34	10
35	12
36	14
37	15
38	16
39	0
40	6
41	8
42	12
43	14
44	15
45	16
46	18
47	6
48	9
49	12
50	14
51	15
52	18
53	4
54	6
55	8
56	10
57	12
58	14
59	16
60	18
61	20
62	0
63	9
64	10
65	14
66	15
67	16
68	18
69	20
70	21
71	22
72	10
73	15
74	20
75	4
76	6
77	8
78	10
79	12
80	14
81	16
82	18
83	20
84	22
85	24
86	6
87	12
88	15
89	18
90	21
91	24

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	4
7	0
8	6
9	6
10	4
11	6
12	8
13	0
14	8
15	9
16	10
17	0
18	4
19	6
20	8
21	10
22	12
23	6
24	9
25	10
26	12
27	6
28	10
29	12
30	14
31	0
32	4
33	8
34	10
35	12
36	14
37	15
38	16
39	0
40	6
41	8
42	12
43	14
44	15
45	16
46	18
47	6
48	9
49	12
50	14
51	15
52	18
53	4
54	6
55	8
56	10
57	12
58	14
59	16
60	18
61	20
62	0
63	9
64	10
65	14
66	15
67	16
68	18
69	20
70	21
71	22
72	10
73	15
74	20
75	4
76	6
77	8
78	10
79	12
80	14
81	16
82	18
83	20
84	22
85	24
86	6
87	12
88	15
89	18
90	21
91	24

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	4
7	0
8	6
9	6
10	4
11	6
12	8
13	0
14	8
15	9
16	10
17	0
18	4
19	6
20	8
21	10
22	12
23	6
24	9
25	10
26	12
27	6
28	10
29	12
30	14
31	0
32	4
33	8
34	10
35	12
36	14
37	15
38	16
39	0
40	6
41	8
42	12
43	14
44	15
45	16
46	18
47	6
48	9
49	12
50	14
51	15
52	18
53	4
54	6
55	8
56	10
57	12
58	14
59	16
60	18
61	20
62	0
63	9
64	10
65	14
66	15
67	16
68	18
69	20
70	21
71	22
72	10
73	15
74	20
75	4
76	6
77	8
78	10
79	12
80	14
81	16
82	18
83	20
84	22
85	24
86	6
87	12
88	15
89	18
90	21
91	24