A318556 - cp's OEIS frontend

A318556 a(n) is the number of lesser tetrahedral numbers that divide the n-th tetrahedral number.

n	a(n)
1	0
2	1
3	1
4	3
5	1
6	2
7	2
8	4
9	1
10	4
11	1
12	2
13	2
14	6
15	4
16	2
17	1
18	4
19	3
20	6
21	1
22	2
23	4
24	4
25	1
26	4
27	1
28	5
29	1
30	4
31	2
32	2
33	2
34	6
35	3
36	2
37	1
38	4
39	4
40	6
41	1
42	2
43	3
44	6
45	1
46	2
47	3
48	7
49	2
50	4
51	1
52	2
53	2
54	11
55	8
56	3
57	1
58	4
59	2
60	4
61	1
62	4
63	11
64	6
65	1
66	2
67	1
68	5
69	2
70	8
71	2
72	2
73	1
74	4
75	4
76	4
77	1
78	4
79	5
80	5
81	1
82	2
83	3
84	5
85	1
86	2
87	2
88	7
89	3
90	8
91	1
92	2
93	1
94	4
95	4
96	3
97	1
98	9

[0, 1, 1, 3, 1, 2, 2, 4, 1, 4, 1, 2, 2, 6, 4, 2, 1, 4, 3, 6, 1, 2, 4, 4, 1, 4, 1, 5, 1, 4, 2, 2, 2, 6, 3, 2, 1, 4, 4, 6, 1, 2, 3, 6, 1, 2, 3, 7, 2, 4, 1, 2, 2, 11, 8, 3, 1, 4, 2, 4, 1, 4, 11, 6, 1, 2, 1, 5, 2, 8, 2, 2, 1, 4, 4, 4, 1, 4, 5, 5, 1, 2, 3, 5, 1, 2, 2, 7, 3, 8, 1, 2, 1, 4, 4, 3, 1, 9]

cp's OEIS Frontend

A318556 a(n) is the number of lesser tetrahedral numbers that divide the n-th tetrahedral number.

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	3
5	1
6	2
7	2
8	4
9	1
10	4
11	1
12	2
13	2
14	6
15	4
16	2
17	1
18	4
19	3
20	6
21	1
22	2
23	4
24	4
25	1
26	4
27	1
28	5
29	1
30	4
31	2
32	2
33	2
34	6
35	3
36	2
37	1
38	4
39	4
40	6
41	1
42	2
43	3
44	6
45	1
46	2
47	3
48	7
49	2
50	4
51	1
52	2
53	2
54	11
55	8
56	3
57	1
58	4
59	2
60	4
61	1
62	4
63	11
64	6
65	1
66	2
67	1
68	5
69	2
70	8
71	2
72	2
73	1
74	4
75	4
76	4
77	1
78	4
79	5
80	5
81	1
82	2
83	3
84	5
85	1
86	2
87	2
88	7
89	3
90	8
91	1
92	2
93	1
94	4
95	4
96	3
97	1
98	9

n	a(n)
1	0
2	1
3	1
4	3
5	1
6	2
7	2
8	4
9	1
10	4
11	1
12	2
13	2
14	6
15	4
16	2
17	1
18	4
19	3
20	6
21	1
22	2
23	4
24	4
25	1
26	4
27	1
28	5
29	1
30	4
31	2
32	2
33	2
34	6
35	3
36	2
37	1
38	4
39	4
40	6
41	1
42	2
43	3
44	6
45	1
46	2
47	3
48	7
49	2
50	4
51	1
52	2
53	2
54	11
55	8
56	3
57	1
58	4
59	2
60	4
61	1
62	4
63	11
64	6
65	1
66	2
67	1
68	5
69	2
70	8
71	2
72	2
73	1
74	4
75	4
76	4
77	1
78	4
79	5
80	5
81	1
82	2
83	3
84	5
85	1
86	2
87	2
88	7
89	3
90	8
91	1
92	2
93	1
94	4
95	4
96	3
97	1
98	9

n	a(n)
1	0
2	1
3	1
4	3
5	1
6	2
7	2
8	4
9	1
10	4
11	1
12	2
13	2
14	6
15	4
16	2
17	1
18	4
19	3
20	6
21	1
22	2
23	4
24	4
25	1
26	4
27	1
28	5
29	1
30	4
31	2
32	2
33	2
34	6
35	3
36	2
37	1
38	4
39	4
40	6
41	1
42	2
43	3
44	6
45	1
46	2
47	3
48	7
49	2
50	4
51	1
52	2
53	2
54	11
55	8
56	3
57	1
58	4
59	2
60	4
61	1
62	4
63	11
64	6
65	1
66	2
67	1
68	5
69	2
70	8
71	2
72	2
73	1
74	4
75	4
76	4
77	1
78	4
79	5
80	5
81	1
82	2
83	3
84	5
85	1
86	2
87	2
88	7
89	3
90	8
91	1
92	2
93	1
94	4
95	4
96	3
97	1
98	9