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!)
A254995 Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the diagonal and antidiagonal minus the sum of the medians of the central row and column nondecreasing horizontally and vertically 1
193488, 1939341, 24807024, 279655310, 2907772796, 31738435946, 351447919966, 3833363797172, 41743093666360, 456056905795539, 4979846553780518, 54312019450639222, 592413068721884128, 6463047248456331263 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A254998

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..171

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Cf. A254998

Sequence in context: A236616 A258515 A258508 * A232202 A131907 A202937

Adjacent sequences:  A254992 A254993 A254994 * A254996 A254997 A254998

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 11 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 January 26 10:40 EST 2020. Contains 331279 sequences. (Running on oeis4.)