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.

A279084 Numbers k such that reverse(T(k)) = T(reverse(k)) where T(k) is the k-th triangular number.

Table of values

n a(n)
1 0
2 1
3 2
4 3
5 11
6 77
7 363
8 1111
9 2662
10 24662
11 26642
12 111111
13 246642
14 11111111
15 363474363
16 2664444662

List of values

[0, 1, 2, 3, 11, 77, 363, 1111, 2662, 24662, 26642, 111111, 246642, 11111111, 363474363, 2664444662]