A083867 - cp's OEIS frontend

A083867 a(n) is the number of divisors of the n-th decimal palindrome that are palindromes.

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	3
21	3
22	2
23	3
24	2
25	3
26	4
27	2
28	2
29	4
30	4
31	6
32	5
33	6
34	8
35	4
36	5
37	6
38	4
39	4
40	2
41	2
42	5
43	3
44	2
45	6
46	2
47	2
48	4
49	6
50	6
51	6
52	4
53	8
54	3
55	6
56	5
57	9
58	3
59	4
60	3
61	5
62	3
63	3
64	5
65	3
66	3
67	5
68	4
69	8
70	11
71	4
72	7
73	4
74	5
75	9
76	4
77	5
78	8
79	4
80	3
81	2
82	3
83	4
84	2
85	2
86	5
87	2
88	2
89	8
90	3
91	8
92	3
93	7
94	9
95	6
96	3
97	10
98	3
99	6
100	2
101	2
102	4
103	2
104	3
105	4

[1, 2, 2, 3, 2, 4, 2, 4, 3, 2, 4, 4, 6, 4, 8, 4, 8, 6, 2, 3, 3, 2, 3, 2, 3, 4, 2, 2, 4, 4, 6, 5, 6, 8, 4, 5, 6, 4, 4, 2, 2, 5, 3, 2, 6, 2, 2, 4, 6, 6, 6, 4, 8, 3, 6, 5, 9, 3, 4, 3, 5, 3, 3, 5, 3, 3, 5, 4, 8, 11, 4, 7, 4, 5, 9, 4, 5, 8, 4, 3, 2, 3, 4, 2, 2, 5, 2, 2, 8, 3, 8, 3, 7, 9, 6, 3, 10, 3, 6, 2, 2, 4, 2, 3, 4]

cp's OEIS Frontend

A083867 a(n) is the number of divisors of the n-th decimal palindrome that are palindromes.

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	3
21	3
22	2
23	3
24	2
25	3
26	4
27	2
28	2
29	4
30	4
31	6
32	5
33	6
34	8
35	4
36	5
37	6
38	4
39	4
40	2
41	2
42	5
43	3
44	2
45	6
46	2
47	2
48	4
49	6
50	6
51	6
52	4
53	8
54	3
55	6
56	5
57	9
58	3
59	4
60	3
61	5
62	3
63	3
64	5
65	3
66	3
67	5
68	4
69	8
70	11
71	4
72	7
73	4
74	5
75	9
76	4
77	5
78	8
79	4
80	3
81	2
82	3
83	4
84	2
85	2
86	5
87	2
88	2
89	8
90	3
91	8
92	3
93	7
94	9
95	6
96	3
97	10
98	3
99	6
100	2
101	2
102	4
103	2
104	3
105	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	3
21	3
22	2
23	3
24	2
25	3
26	4
27	2
28	2
29	4
30	4
31	6
32	5
33	6
34	8
35	4
36	5
37	6
38	4
39	4
40	2
41	2
42	5
43	3
44	2
45	6
46	2
47	2
48	4
49	6
50	6
51	6
52	4
53	8
54	3
55	6
56	5
57	9
58	3
59	4
60	3
61	5
62	3
63	3
64	5
65	3
66	3
67	5
68	4
69	8
70	11
71	4
72	7
73	4
74	5
75	9
76	4
77	5
78	8
79	4
80	3
81	2
82	3
83	4
84	2
85	2
86	5
87	2
88	2
89	8
90	3
91	8
92	3
93	7
94	9
95	6
96	3
97	10
98	3
99	6
100	2
101	2
102	4
103	2
104	3
105	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	3
21	3
22	2
23	3
24	2
25	3
26	4
27	2
28	2
29	4
30	4
31	6
32	5
33	6
34	8
35	4
36	5
37	6
38	4
39	4
40	2
41	2
42	5
43	3
44	2
45	6
46	2
47	2
48	4
49	6
50	6
51	6
52	4
53	8
54	3
55	6
56	5
57	9
58	3
59	4
60	3
61	5
62	3
63	3
64	5
65	3
66	3
67	5
68	4
69	8
70	11
71	4
72	7
73	4
74	5
75	9
76	4
77	5
78	8
79	4
80	3
81	2
82	3
83	4
84	2
85	2
86	5
87	2
88	2
89	8
90	3
91	8
92	3
93	7
94	9
95	6
96	3
97	10
98	3
99	6
100	2
101	2
102	4
103	2
104	3
105	4