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.

A223880 Number of 6Xn 0..3 arrays with rows, diagonals and antidiagonals unimodal.

Table of values

n a(n)
1 4096
2 16777216
3 6066668157
4 411716468431
5 12351748855245
6 222723966999899
7 2864914204785815
8 29313435510121943
9 256460553486002269
10 2005690447094149401

List of values

[4096, 16777216, 6066668157, 411716468431, 12351748855245, 222723966999899, 2864914204785815, 29313435510121943, 256460553486002269, 2005690447094149401]