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.

A317027 Perfect powers that appear more than once in the Catalan triangle.

Table of values

n a(n)
1 9
2 27
3 324
4 8000
5 11025
6 374544
7 12723489
8 432224100
9 14682895929
10 498786237504
11 16944049179225
12 575598885856164
13 19553418069930369
14 664240615491776400
15 22564627508650467249
16 766533094678624110084

List of values

[9, 27, 324, 8000, 11025, 374544, 12723489, 432224100, 14682895929, 498786237504, 16944049179225, 575598885856164, 19553418069930369, 664240615491776400, 22564627508650467249, 766533094678624110084]