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.

A223827 Number of n X 4 0..2 arrays with rows and columns unimodal.

Table of values

n a(n)
1 46
2 2116
3 51136
4 738482
5 7291180
6 54035194
7 320423509
8 1590193515
9 6823643014
10 25942390362
11 89032405314
12 279892497568
13 815488308996
14 2223043463584
15 5714420877205
16 13941660959025
17 32460302492138
18 72461547637300

List of values

[46, 2116, 51136, 738482, 7291180, 54035194, 320423509, 1590193515, 6823643014, 25942390362, 89032405314, 279892497568, 815488308996, 2223043463584, 5714420877205, 13941660959025, 32460302492138, 72461547637300]