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URL: https://oeis.org/A251303

⇱ A251303 - OEIS

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A251303
Number of (n+1)X(3+1) 0..3 arrays with no 2X2 subblock having the sum of its diagonal elements less than the maximum of its antidiagonal elements.
1
26664, 2986712, 338614056, 38343620608, 4336649865709, 490318888438553, 55435729766236658, 6267641628409267438, 708630967774847135734, 80119158063101111557837, 9058423544761914851258967
OFFSET
1,1
COMMENTS
Column 3 of A251308
FORMULA
Empirical recurrence of order 74 (see link above)
EXAMPLE
Some solutions for n=1
..0..2..2..3....3..0..2..0....3..2..3..3....3..2..0..1....3..3..1..0
..2..3..3..3....2..0..2..2....3..3..3..2....2..1..2..2....3..1..2..3
CROSSREFS
Sequence in context: A329785 A229592 A046710 * A385341 A196937 A253292
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 01 2014
STATUS
approved