login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A297799 Number of n X 5 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 5 neighboring 1's. 1

%I #6 Mar 10 2022 20:42:10

%S 1,38,293,2195,23781,231921,2174696,21427001,209042911,2021157679,

%T 19682772781,191557167338,1861109483653,18099645301193,

%U 176029730537879,1711498855651503,16642558124209570,161835924673053199

%N Number of n X 5 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 5 neighboring 1's.

%C Column 5 of A297802.

%H R. H. Hardin, <a href="/A297799/b297799.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A297799/a297799.txt">Empirical recurrence of order 95</a>

%F Empirical recurrence of order 95 (see link above).

%e Some solutions for n=5

%e ..1..1..1..1..0. .1..1..1..1..0. .0..1..0..1..0. .0..0..0..0..0

%e ..0..1..1..0..0. .0..1..1..0..0. .1..1..1..1..1. .0..0..1..1..0

%e ..0..0..0..0..0. .0..0..0..0..0. .0..1..0..0..1. .0..1..0..0..1

%e ..1..1..1..0..0. .1..1..0..0..0. .1..1..0..1..0. .0..1..1..1..1

%e ..0..1..0..0..0. .1..1..1..0..0. .0..0..1..1..1. .1..1..0..1..0

%Y Cf. A297802.

%K nonn

%O 1,2

%A _R. H. Hardin_, Jan 06 2018

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 28 14:13 EDT 2024. Contains 371254 sequences. (Running on oeis4.)