login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A233856 Number of (n+1)X(4+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
22592, 129728, 716800, 5783176, 41245344, 408524804, 3305571808, 36165120612, 311162540132, 3540193614976, 31421328286552, 361817684370752, 3266860988041532, 37679832905701152, 343785666091863696 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A233859

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=2

..6..3..6..1..6....3..0..5..0..5....0..5..0..5..4....3..1..3..1..6

..5..1..5..5..5....5..1..3..1..3....2..4..4..2..0....0..5..0..5..5

..6..3..6..1..6....6..5..6..5..0....0..5..0..5..4....3..1..3..1..6

CROSSREFS

Sequence in context: A249614 A153770 A235067 * A100420 A271444 A251789

Adjacent sequences:  A233853 A233854 A233855 * A233857 A233858 A233859

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 16 2013

STATUS

approved

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 October 13 20:38 EDT 2019. Contains 327981 sequences. (Running on oeis4.)