A264441 - cp's OEIS frontend

A264441 Length of row n of the irregular triangle A133995 (positive integers <= n which are neither divisors of n nor coprime to n).

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

[1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 3, 1, 5, 4, 4, 1, 7, 1, 7, 6, 9, 1, 9, 3, 11, 6, 11, 1, 15, 1, 11, 10, 15, 8, 16, 1, 17, 12, 17, 1, 23, 1, 19, 16, 21, 1, 23, 5, 25, 16, 23, 1, 29, 12, 25, 18, 27, 1, 33, 1, 29, 22, 26, 14, 39, 1, 31, 22, 39, 1]

cp's OEIS Frontend

A264441 Length of row n of the irregular triangle A133995 (positive integers <= n which are neither divisors of n nor coprime to n).

Table of values

List of values

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

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

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