A263618 - cp's OEIS frontend

A263618 Number of palindromic squares with exactly n digits.

n	a(n)
1	4
2	0
3	3
4	0
5	7
6	1
7	5
8	0
9	11
10	0
11	5
12	1
13	19
14	0
15	13
16	1
17	25
18	0
19	18
20	0
21	48
22	1
23	31
24	0
25	70
26	1
27	44
28	2
29	105
30	0
31	70
32	1
33	153
34	1
35	98
36	3
37	209
38	0
39	132
40	0
41	291
42	1
43	181
44	1
45	384
46	0
47	234
48	2
49	496
50	1
51	301
52	1
53	636
54	0
55	383
56	0
57	798
58	1
59	474
60	1
61	981
62	0
63	578
64	0
65	1199
66	2
67	701

[4, 0, 3, 0, 7, 1, 5, 0, 11, 0, 5, 1, 19, 0, 13, 1, 25, 0, 18, 0, 48, 1, 31, 0, 70, 1, 44, 2, 105, 0, 70, 1, 153, 1, 98, 3, 209, 0, 132, 0, 291, 1, 181, 1, 384, 0, 234, 2, 496, 1, 301, 1, 636, 0, 383, 0, 798, 1, 474, 1, 981, 0, 578, 0, 1199, 2, 701]

cp's OEIS Frontend

A263618 Number of palindromic squares with exactly n digits.

Table of values

List of values