A115017 - cp's OEIS frontend

A115017 a(n) = largest triangular number dividing n.

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

[1, 1, 3, 1, 1, 6, 1, 1, 3, 10, 1, 6, 1, 1, 15, 1, 1, 6, 1, 10, 21, 1, 1, 6, 1, 1, 3, 28, 1, 15, 1, 1, 3, 1, 1, 36, 1, 1, 3, 10, 1, 21, 1, 1, 45, 1, 1, 6, 1, 10, 3, 1, 1, 6, 55, 28, 3, 1, 1, 15, 1, 1, 21, 1, 1, 66, 1, 1, 3, 10, 1, 36, 1, 1, 15, 1, 1, 78, 1, 10, 3, 1, 1, 28, 1, 1, 3, 1, 1, 45, 91, 1, 3, 1]

cp's OEIS Frontend

A115017 a(n) = largest triangular number dividing n.

Table of values

List of values

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

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

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