login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A234726 Number of (n+1)X(6+1) 0..7 arrays with every 2X2 subblock having its diagonal sum differing from its antidiagonal sum by 7 (constant stress 1X1 tilings) 1
339328, 692512, 1349336, 3403528, 8002936, 23137720, 62379416, 197412088, 587074168, 1982807032, 6335722136, 22491544888, 75906457336, 280381206520, 988119053336, 3770353824568, 13765440733048, 53960918334712 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A234728

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..19

EXAMPLE

Some solutions for n=1

..2..7..5..5..1..7..2....0..7..5..5..0..5..4....6..0..6..2..6..0..6

..4..2..7..0..3..2..4....2..2..7..0..2..0..6....4..5..4..7..4..5..4

CROSSREFS

Sequence in context: A185475 A224632 A350186 * A132660 A236609 A103808

Adjacent sequences:  A234723 A234724 A234725 * A234727 A234728 A234729

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 30 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 23 12:48 EDT 2022. Contains 353975 sequences. (Running on oeis4.)