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!)
A240252 Number of 3Xn 0..3 arrays with no element equal to the sum of elements to its left or the sum of the elements above it or the sum of the elements diagonally to its northwest or the sum of the elements antidiagonally to its northeast, modulo 4 1
14, 0, 16, 162, 688, 3964, 16600, 110134, 492060, 3362836, 15603288, 109979570, 524685654, 3720395188, 18147197844, 127927252744, 635400890972, 4432069428266, 22357505967916, 154094669426556, 788035670396332 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 3 of A240250

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..53

EXAMPLE

Some solutions for n=4

..3..1..2..1....2..1..1..3....1..3..2..1....2..3..3..3....2..1..2..3

..2..0..0..3....3..0..2..2....2..0..0..3....1..0..2..1....3..0..0..1

..3..0..0..2....2..0..1..2....1..0..0..2....1..2..0..2....3..2..3..3

CROSSREFS

Sequence in context: A243830 A002337 A008423 * A317977 A023918 A062785

Adjacent sequences:  A240249 A240250 A240251 * A240253 A240254 A240255

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 03 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 February 25 08:48 EST 2020. Contains 332221 sequences. (Running on oeis4.)