A319135 - cp's OEIS frontend

A319135 Irregular triangle read by rows in which row n lists the positive divisors of n that are <= sqrt(n) in decreasing order.

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

[1, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 3, 1, 2, 1, 1, 3, 2, 1, 1, 2, 1, 3, 1, 4, 2, 1, 1, 3, 2, 1, 1, 4, 2, 1, 3, 1, 2, 1, 1, 4, 3, 2, 1, 5, 1, 2, 1, 3, 1, 4, 2, 1, 1, 5, 3, 2, 1, 1, 4, 2, 1, 3, 1, 2, 1, 5, 1, 6, 4, 3, 2, 1, 1, 2, 1, 3, 1, 5, 4, 2, 1, 1, 6, 3, 2, 1]

cp's OEIS Frontend

A319135 Irregular triangle read by rows in which row n lists the positive divisors of n that are <= sqrt(n) in decreasing order.

Table of values

List of values

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

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

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