A027750 - cp's OEIS frontend

A027750 Triangle read by rows in which row n lists the divisors of n.

n	a(n)
1	1
2	1
3	2
4	1
5	3
6	1
7	2
8	4
9	1
10	5
11	1
12	2
13	3
14	6
15	1
16	7
17	1
18	2
19	4
20	8
21	1
22	3
23	9
24	1
25	2
26	5
27	10
28	1
29	11
30	1
31	2
32	3
33	4
34	6
35	12
36	1
37	13
38	1
39	2
40	7
41	14
42	1
43	3
44	5
45	15
46	1
47	2
48	4
49	8
50	16
51	1
52	17
53	1
54	2
55	3
56	6
57	9
58	18
59	1
60	19
61	1
62	2
63	4
64	5
65	10
66	20
67	1
68	3
69	7
70	21
71	1
72	2
73	11
74	22
75	1
76	23
77	1
78	2
79	3
80	4
81	6
82	8
83	12
84	24
85	1
86	5
87	25
88	1
89	2
90	13
91	26
92	1
93	3
94	9
95	27
96	1
97	2
98	4
99	7
100	14
101	28
102	1
103	29

[1, 1, 2, 1, 3, 1, 2, 4, 1, 5, 1, 2, 3, 6, 1, 7, 1, 2, 4, 8, 1, 3, 9, 1, 2, 5, 10, 1, 11, 1, 2, 3, 4, 6, 12, 1, 13, 1, 2, 7, 14, 1, 3, 5, 15, 1, 2, 4, 8, 16, 1, 17, 1, 2, 3, 6, 9, 18, 1, 19, 1, 2, 4, 5, 10, 20, 1, 3, 7, 21, 1, 2, 11, 22, 1, 23, 1, 2, 3, 4, 6, 8, 12, 24, 1, 5, 25, 1, 2, 13, 26, 1, 3, 9, 27, 1, 2, 4, 7, 14, 28, 1, 29]

cp's OEIS Frontend

A027750 Triangle read by rows in which row n lists the divisors of n.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	1
5	3
6	1
7	2
8	4
9	1
10	5
11	1
12	2
13	3
14	6
15	1
16	7
17	1
18	2
19	4
20	8
21	1
22	3
23	9
24	1
25	2
26	5
27	10
28	1
29	11
30	1
31	2
32	3
33	4
34	6
35	12
36	1
37	13
38	1
39	2
40	7
41	14
42	1
43	3
44	5
45	15
46	1
47	2
48	4
49	8
50	16
51	1
52	17
53	1
54	2
55	3
56	6
57	9
58	18
59	1
60	19
61	1
62	2
63	4
64	5
65	10
66	20
67	1
68	3
69	7
70	21
71	1
72	2
73	11
74	22
75	1
76	23
77	1
78	2
79	3
80	4
81	6
82	8
83	12
84	24
85	1
86	5
87	25
88	1
89	2
90	13
91	26
92	1
93	3
94	9
95	27
96	1
97	2
98	4
99	7
100	14
101	28
102	1
103	29

n	a(n)
1	1
2	1
3	2
4	1
5	3
6	1
7	2
8	4
9	1
10	5
11	1
12	2
13	3
14	6
15	1
16	7
17	1
18	2
19	4
20	8
21	1
22	3
23	9
24	1
25	2
26	5
27	10
28	1
29	11
30	1
31	2
32	3
33	4
34	6
35	12
36	1
37	13
38	1
39	2
40	7
41	14
42	1
43	3
44	5
45	15
46	1
47	2
48	4
49	8
50	16
51	1
52	17
53	1
54	2
55	3
56	6
57	9
58	18
59	1
60	19
61	1
62	2
63	4
64	5
65	10
66	20
67	1
68	3
69	7
70	21
71	1
72	2
73	11
74	22
75	1
76	23
77	1
78	2
79	3
80	4
81	6
82	8
83	12
84	24
85	1
86	5
87	25
88	1
89	2
90	13
91	26
92	1
93	3
94	9
95	27
96	1
97	2
98	4
99	7
100	14
101	28
102	1
103	29

n	a(n)
1	1
2	1
3	2
4	1
5	3
6	1
7	2
8	4
9	1
10	5
11	1
12	2
13	3
14	6
15	1
16	7
17	1
18	2
19	4
20	8
21	1
22	3
23	9
24	1
25	2
26	5
27	10
28	1
29	11
30	1
31	2
32	3
33	4
34	6
35	12
36	1
37	13
38	1
39	2
40	7
41	14
42	1
43	3
44	5
45	15
46	1
47	2
48	4
49	8
50	16
51	1
52	17
53	1
54	2
55	3
56	6
57	9
58	18
59	1
60	19
61	1
62	2
63	4
64	5
65	10
66	20
67	1
68	3
69	7
70	21
71	1
72	2
73	11
74	22
75	1
76	23
77	1
78	2
79	3
80	4
81	6
82	8
83	12
84	24
85	1
86	5
87	25
88	1
89	2
90	13
91	26
92	1
93	3
94	9
95	27
96	1
97	2
98	4
99	7
100	14
101	28
102	1
103	29