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!)
A234688 Number of (n+1)X(6+1) 0..6 arrays with every 2X2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant stress 1X1 tilings) 1
661952, 1253088, 2377712, 5614248, 13220576, 37361280, 104366624, 337733136, 1071197312, 3852945648, 13488692192, 52934698608, 200940369536, 848534610480, 3445424849504, 15464021986416, 66358350190592, 312931901162928 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A234690

LINKS

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

EXAMPLE

Some solutions for n=1

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

..2..3..5..1..6..3..5....5..0..6..5..6..5..6....3..3..6..1..6..4..3

CROSSREFS

Sequence in context: A254488 A253860 A203396 * A235210 A209596 A038827

Adjacent sequences:  A234685 A234686 A234687 * A234689 A234690 A234691

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 29 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 23 03:42 EDT 2021. Contains 348211 sequences. (Running on oeis4.)