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.

A054263 Number of palindromic triangular numbers with n digits.

Table of values

n a(n)
1 3
2 2
3 3
4 3
5 2
6 2
7 6
8 2
9 1
10 4
11 7
12 0
13 4
14 4
15 12
16 5
17 6
18 2
19 3
20 2
21 6
22 3
23 6
24 2
25 2
26 4
27 3
28 2
29 5
30 0
31 3
32 2
33 1
34 4
35 3
36 1
37 10
38 1
39 4
40 0

List of values

[3, 2, 3, 3, 2, 2, 6, 2, 1, 4, 7, 0, 4, 4, 12, 5, 6, 2, 3, 2, 6, 3, 6, 2, 2, 4, 3, 2, 5, 0, 3, 2, 1, 4, 3, 1, 10, 1, 4, 0]