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.

A250276 Number of length n+1 0..7 arrays with the sum of the squares of adjacent differences multiplied by some arrangement of +-1 equal to zero.

Table of values

n a(n)
1 8
2 88
3 288
4 3156
5 25964
6 281552
7 2908232
8 30143732
9 301550620
10 2901853512
11 26702134812
12 235590646376

List of values

[8, 88, 288, 3156, 25964, 281552, 2908232, 30143732, 301550620, 2901853512, 26702134812, 235590646376]