cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A263620 Number of nonzero palindromic squares with at most 2n digits.

Table of values

n a(n)
1 3
2 6
3 14
4 19
5 30
6 36
7 55
8 69
9 94
10 112
11 161
12 192
13 263
14 309
15 414
16 485
17 639
18 740
19 949
20 1081
21 1373
22 1555

List of values

[3, 6, 14, 19, 30, 36, 55, 69, 94, 112, 161, 192, 263, 309, 414, 485, 639, 740, 949, 1081, 1373, 1555]