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.

A146497 Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 13 and every element equal to at least one neighbor.

Table of values

n a(n)
3 0
4 20
5 17226
6 8194791
7 1995724092
8 51267367432

List of values

[0, 20, 17226, 8194791, 1995724092, 51267367432]