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!)
A252063 Number of (n+2)X(6+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 2 or 4 1
4569, 15593, 86642, 539063, 3510697, 23078709, 151165482, 990282975, 6500999078, 42695261900, 280354928528, 1841087610030, 12091932688086, 79421178920973, 521649705581976, 3426264313454633, 22504261859751322, 147812595120131028 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A252065

LINKS

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

EXAMPLE

Some solutions for n=3

..2..2..2..2..2..2..2..2....2..2..2..2..2..2..2..1....2..2..2..1..2..2..2..2

..2..1..2..2..2..2..2..1....2..2..2..1..2..2..2..2....2..1..2..2..2..2..1..2

..2..2..2..1..2..2..2..2....2..2..2..2..2..2..1..2....2..2..2..2..1..2..2..2

..1..2..2..2..2..2..2..2....1..2..2..2..2..2..2..2....2..2..2..2..2..2..2..2

..2..2..1..2..2..2..2..2....2..2..1..2..2..2..2..2....2..2..2..1..2..2..2..1

CROSSREFS

Sequence in context: A104947 A030471 A234677 * A068756 A252099 A252405

Adjacent sequences:  A252060 A252061 A252062 * A252064 A252065 A252066

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 13 2014

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 August 4 19:32 EDT 2020. Contains 336202 sequences. (Running on oeis4.)