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!)
A233816 Number of (n+1)X(6+1) 0..5 arrays with every 2X2 subblock having the sum of the squares of all six edge and diagonal differences equal to 11 1
155488, 1671748, 16476460, 208935048, 2269466400, 32723763904, 376273555864, 6112734012140, 72958370707804, 1313532872947608, 16029976501793984, 312343393699445328, 3856492600968849980, 79437491904700286184 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A233818

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..60

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A235220 A282163 A250883 * A050520 A049443 A228473

Adjacent sequences:  A233813 A233814 A233815 * A233817 A233818 A233819

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 February 19 13:03 EST 2020. Contains 332044 sequences. (Running on oeis4.)