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!)
A298708 Number of nX4 0..1 arrays with every element equal to 1, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero. 1

%I #4 Jan 25 2018 08:34:03

%S 1,13,2,11,32,87,110,385,908,2760,6454,17925,51777,141793,378486,

%T 1095621,3060776,8412703,23884402,67448745,187193308,529617392,

%U 1496665754,4179115507,11797048913,33344442453,93407406180,263365123043

%N Number of nX4 0..1 arrays with every element equal to 1, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.

%C Column 4 of A298712.

%H R. H. Hardin, <a href="/A298708/b298708.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A298708/a298708.txt">Empirical recurrence of order 70</a>

%F Empirical recurrence of order 70 (see link above)

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A298712.

%K nonn

%O 1,2

%A _R. H. Hardin_, Jan 25 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 April 23 23:26 EDT 2024. Contains 371917 sequences. (Running on oeis4.)