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!)
A233855 Number of (n+1)X(3+1) 0..7 arrays with every 2X2 subblock having the sum of the squares of all six edge and diagonal differences equal to 59 1

%I

%S 4640,22472,106304,716800,4319616,34000600,226756256,1873475872,

%T 13046763360,108927798728,775259184232,6465552671224,46607527471896,

%U 387135535384352,2814016270828984,23274895181188384,170164969520406888

%N Number of (n+1)X(3+1) 0..7 arrays with every 2X2 subblock having the sum of the squares of all six edge and diagonal differences equal to 59

%C Column 3 of A233859

%H R. H. Hardin, <a href="/A233855/b233855.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

%e ..6..6..7..2....2..4..2..7....2..6..2..5....5..0..5..0....2..4..2..4

%e ..7..2..6..6....6..1..6..4....1..4..7..3....1..3..1..3....0..5..0..5

%e ..4..6..7..2....4..2..2..1....2..6..2..5....5..6..5..6....1..1..3..1

%e ..7..2..6..6....6..1..6..4....7..6..7..3....3..1..3..1....5..0..5..6

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 16 2013

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 July 8 17:40 EDT 2020. Contains 335524 sequences. (Running on oeis4.)