A384928 - cp's OEIS frontend

A384928 Number of 2-dense sublists of divisors of the n-th triangular number.

n	a(n)
0	1
1	1
2	2
3	1
4	2
5	3
6	4
7	1
8	1
9	3
10	4
11	1
12	2
13	3
14	4
15	1
16	2
17	5
18	6
19	3
20	1
21	5
22	4
23	1
24	1
25	5
26	6
27	1
28	4
29	5
30	6
31	1
32	1
33	5
34	6
35	1
36	2
37	3
38	6
39	1
40	2
41	7
42	8
43	3
44	1
45	3
46	4
47	1
48	1
49	5
50	6
51	3
52	4
53	7
54	3
55	1
56	1
57	5
58	4
59	1
60	2
61	3
62	8
63	1
64	1
65	7
66	8
67	3
68	3
69	5
70	6
71	1
72	2
73	3
74	6
75	1
76	4
77	5
78	8
79	1
80	1
81	7
82	4
83	1
84	1
85	7
86	6
87	1
88	4
89	5
90	3
91	3
92	3
93	5
94	8
95	1
96	2
97	5
98	5
99	1
100	6

[1, 1, 2, 1, 2, 3, 4, 1, 1, 3, 4, 1, 2, 3, 4, 1, 2, 5, 6, 3, 1, 5, 4, 1, 1, 5, 6, 1, 4, 5, 6, 1, 1, 5, 6, 1, 2, 3, 6, 1, 2, 7, 8, 3, 1, 3, 4, 1, 1, 5, 6, 3, 4, 7, 3, 1, 1, 5, 4, 1, 2, 3, 8, 1, 1, 7, 8, 3, 3, 5, 6, 1, 2, 3, 6, 1, 4, 5, 8, 1, 1, 7, 4, 1, 1, 7, 6, 1, 4, 5, 3, 3, 3, 5, 8, 1, 2, 5, 5, 1, 6]

cp's OEIS Frontend

A384928 Number of 2-dense sublists of divisors of the n-th triangular number.

Table of values

List of values

n	a(n)
0	1
1	1
2	2
3	1
4	2
5	3
6	4
7	1
8	1
9	3
10	4
11	1
12	2
13	3
14	4
15	1
16	2
17	5
18	6
19	3
20	1
21	5
22	4
23	1
24	1
25	5
26	6
27	1
28	4
29	5
30	6
31	1
32	1
33	5
34	6
35	1
36	2
37	3
38	6
39	1
40	2
41	7
42	8
43	3
44	1
45	3
46	4
47	1
48	1
49	5
50	6
51	3
52	4
53	7
54	3
55	1
56	1
57	5
58	4
59	1
60	2
61	3
62	8
63	1
64	1
65	7
66	8
67	3
68	3
69	5
70	6
71	1
72	2
73	3
74	6
75	1
76	4
77	5
78	8
79	1
80	1
81	7
82	4
83	1
84	1
85	7
86	6
87	1
88	4
89	5
90	3
91	3
92	3
93	5
94	8
95	1
96	2
97	5
98	5
99	1
100	6

n	a(n)
0	1
1	1
2	2
3	1
4	2
5	3
6	4
7	1
8	1
9	3
10	4
11	1
12	2
13	3
14	4
15	1
16	2
17	5
18	6
19	3
20	1
21	5
22	4
23	1
24	1
25	5
26	6
27	1
28	4
29	5
30	6
31	1
32	1
33	5
34	6
35	1
36	2
37	3
38	6
39	1
40	2
41	7
42	8
43	3
44	1
45	3
46	4
47	1
48	1
49	5
50	6
51	3
52	4
53	7
54	3
55	1
56	1
57	5
58	4
59	1
60	2
61	3
62	8
63	1
64	1
65	7
66	8
67	3
68	3
69	5
70	6
71	1
72	2
73	3
74	6
75	1
76	4
77	5
78	8
79	1
80	1
81	7
82	4
83	1
84	1
85	7
86	6
87	1
88	4
89	5
90	3
91	3
92	3
93	5
94	8
95	1
96	2
97	5
98	5
99	1
100	6

n	a(n)
0	1
1	1
2	2
3	1
4	2
5	3
6	4
7	1
8	1
9	3
10	4
11	1
12	2
13	3
14	4
15	1
16	2
17	5
18	6
19	3
20	1
21	5
22	4
23	1
24	1
25	5
26	6
27	1
28	4
29	5
30	6
31	1
32	1
33	5
34	6
35	1
36	2
37	3
38	6
39	1
40	2
41	7
42	8
43	3
44	1
45	3
46	4
47	1
48	1
49	5
50	6
51	3
52	4
53	7
54	3
55	1
56	1
57	5
58	4
59	1
60	2
61	3
62	8
63	1
64	1
65	7
66	8
67	3
68	3
69	5
70	6
71	1
72	2
73	3
74	6
75	1
76	4
77	5
78	8
79	1
80	1
81	7
82	4
83	1
84	1
85	7
86	6
87	1
88	4
89	5
90	3
91	3
92	3
93	5
94	8
95	1
96	2
97	5
98	5
99	1
100	6