A251018 - OEIS

A251018

Number of (n+1)X(7+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements less than the maximum of its antidiagonal elements

5657125, 6895174650, 8124335802103, 9606281958966442, 11361245256068263101, 13434537978036585857431, 15886176013807764828256390, 18785635148748205309781691487, 22214352650941113874305586694336

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OFFSET

1,1

COMMENTS

Column 7 of A251019

LINKS

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

EXAMPLE

Some solutions for n=1

..0..0..1..2..1..2..0..2....0..0..1..0..1..2..1..1....0..0..0..1..2..0..2..1

..0..0..2..1..2..1..0..2....0..0..2..2..2..2..0..1....0..1..1..2..2..2..2..1

CROSSREFS

Sequence in context: A258529 A254921 A290162 * A254388 A254395 A253983

Adjacent sequences: A251015 A251016 A251017 * A251019 A251020 A251021

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 29 2014

STATUS

approved