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!)
A255781 Number of (n+2)X(6+2) 0..1 arrays with no 3x3 subblock diagonal sum 1 and no antidiagonal sum 1 and no row sum 0 and no column sum 0 1
58707, 726684, 11945779, 149549264, 2128300125, 32105186518, 463394276783, 6707363776886, 98614808002346, 1440705191111821, 21012373155470318, 307239586725236821, 4490932620915632443, 65600015259780809553 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A255783

LINKS

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

EXAMPLE

Some solutions for n=1

..1..0..0..1..1..1..1..0....0..1..0..1..0..1..1..0....1..0..0..1..0..1..1..0

..1..1..1..1..1..1..1..1....1..1..0..1..1..0..0..1....1..1..1..0..1..1..0..0

..1..0..1..1..1..1..1..1....1..1..1..1..1..0..0..1....1..0..0..1..0..0..1..1

CROSSREFS

Cf. A255783

Sequence in context: A031684 A031657 A251519 * A234447 A227601 A147700

Adjacent sequences:  A255778 A255779 A255780 * A255782 A255783 A255784

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 06 2015

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 May 18 05:10 EDT 2021. Contains 343994 sequences. (Running on oeis4.)