A076888 - cp's OEIS frontend

A076888 a(n) is the number of divisors of the n-th positive palindromic number.

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

[1, 2, 2, 3, 2, 4, 2, 4, 3, 2, 4, 4, 6, 4, 8, 4, 8, 6, 2, 4, 3, 2, 4, 2, 4, 6, 2, 2, 4, 6, 8, 8, 6, 18, 4, 10, 8, 6, 4, 2, 4, 6, 4, 2, 6, 2, 2, 4, 6, 12, 8, 8, 12, 4, 10, 8, 9, 8, 4, 4, 12, 4, 4, 8, 4, 6, 12, 8, 8, 16, 4, 12, 8, 10, 12, 9, 8, 16, 4, 4, 2, 4, 6, 2, 4, 8, 2, 2, 8, 4, 18, 4, 10, 16, 12, 4]

cp's OEIS Frontend

A076888 a(n) is the number of divisors of the n-th positive palindromic number.

Table of values

List of values

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

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

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