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A251171 Number of (n+1)X(4+1) 0..3 arrays with no 2X2 subblock having the minimum of its diagonal elements less than the absolute difference of its antidiagonal elements 1
100462, 17822017, 3387331664, 648299061766, 124211482822101, 23810611569424562, 4564338162026063711, 874976613125754162367, 167731165638773364886922, 32153762102058112167343144 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A251175

LINKS

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

EXAMPLE

Some solutions for n=1

..1..1..2..3..1....2..2..3..0..1....2..3..3..3..3....0..3..0..3..1

..2..3..3..1..0....0..2..1..1..0....2..2..1..2..1....3..1..3..0..2

CROSSREFS

Sequence in context: A120217 A120218 A235901 * A126166 A323754 A251042

Adjacent sequences:  A251168 A251169 A251170 * A251172 A251173 A251174

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 30 2014

STATUS

approved

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Last modified August 16 05:16 EDT 2022. Contains 356162 sequences. (Running on oeis4.)