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!)
A299665 Number of nX5 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero. 1

%I #4 Feb 15 2018 14:54:05

%S 16,472,6585,100823,1585983,24665530,383819990,5986258088,93328306577,

%T 1454952779030,22685640133832,353715560290323,5515122085745217,

%U 85992478815621408,1340808323774484535,20906094128382868158

%N Number of nX5 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.

%C Column 5 of A299668.

%H R. H. Hardin, <a href="/A299665/b299665.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A299668.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 15 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 August 11 20:46 EDT 2024. Contains 375073 sequences. (Running on oeis4.)