login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A241107 Number of nX7 0..2 arrays with no element equal to one or three horizontal or vertical neighbors, with new values 0..2 introduced in row major order 1

%I

%S 32,1216,40418,1333934,44030862,1454236806,48054344508,1586763763374,

%T 52415988665902,1731396543937826,57192293520907518,

%U 1889201414043365704,62405079297467322902,2061398474689109752446,68093252520609897541958

%N Number of nX7 0..2 arrays with no element equal to one or three horizontal or vertical neighbors, with new values 0..2 introduced in row major order

%C Column 7 of A241108

%H R. H. Hardin, <a href="/A241107/b241107.txt">Table of n, a(n) for n = 1..58</a>

%e Some solutions for n=3

%e ..0..1..2..1..2..1..2....0..1..1..2..0..2..0....0..1..0..2..1..0..1

%e ..2..2..1..0..1..0..1....2..1..1..1..2..0..2....1..0..2..1..0..1..2

%e ..2..2..0..1..0..1..0....1..0..1..1..0..2..1....0..2..1..0..1..0..1

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 16 2014

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 27 01:16 EST 2021. Contains 349344 sequences. (Running on oeis4.)