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.

A302153 Number of 5Xn 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 16
2 1
3 28
4 65
5 289
6 2005
7 12212
8 83092
9 578398
10 4130639
11 29972866
12 219079327
13 1604975900
14 11775693817
15 86495138703
16 635792001674
17 4675721910068
18 34396180463177
19 253073744882567
20 1862205409753577
21 13703542207469190

List of values

[16, 1, 28, 65, 289, 2005, 12212, 83092, 578398, 4130639, 29972866, 219079327, 1604975900, 11775693817, 86495138703, 635792001674, 4675721910068, 34396180463177, 253073744882567, 1862205409753577, 13703542207469190]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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