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.

A265932 Number of 4Xn 0..4 arrays with the absolute differences of each element with its with horizontal and antidiagonal neighbors unique.

Table of values

n a(n)
1 625
2 62696
3 174000
4 542940
5 1546496
6 4697060
7 13716476
8 42266448
9 137268524
10 432014132
11 1349545464
12 4231840236
13 13782839880
14 43359019136
15 137060135072
16 432317230340
17 1404453869116
18 4429418463040
19 14067958304776
20 44544242171944

List of values

[625, 62696, 174000, 542940, 1546496, 4697060, 13716476, 42266448, 137268524, 432014132, 1349545464, 4231840236, 13782839880, 43359019136, 137060135072, 432317230340, 1404453869116, 4429418463040, 14067958304776, 44544242171944]