login
This site is supported by donations to The OEIS Foundation.

 

Logo

Please make a donation to keep the OEIS running. We are now in our 55th year. In the past year we added 12000 new sequences and reached 8000 citations (which often say "discovered thanks to the OEIS"). We need to raise money to hire someone to manage submissions, which would reduce the load on our editors and speed up editing.
Other ways to donate

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A257153 Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column minus the sum of the minimums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
5203324, 92984383, 2272933686, 52041832046, 1213048046486, 29091719386474, 695152560346535, 16568848511790291, 395391962219835822, 9435041896611595444, 225118886779181550215, 5371507180540875937110 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A257154

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..180

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Cf. A257154

Sequence in context: A241607 A140658 A172715 * A257160 A254742 A125780

Adjacent sequences:  A257150 A257151 A257152 * A257154 A257155 A257156

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 16 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 December 10 12:25 EST 2019. Contains 329895 sequences. (Running on oeis4.)