A268016 - OEIS

A268016

Number of nX4 0..2 arrays with every repeated value in every row and column greater than or equal to the previous repeated value.

78, 6084, 474552, 31831908, 2012075697, 119453097281, 6761580343329, 367501986337710, 19300005472710895, 983989084426524929, 48888960624425750151, 2374418848334124952354, 113014440791056538695922

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OFFSET

1,1

COMMENTS

Column 4 of A268019.

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

CROSSREFS

Cf. A268019.

Sequence in context: A093278 A328354 A268023 * A077694 A119216 A119236

Adjacent sequences: A268013 A268014 A268015 * A268017 A268018 A268019

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 24 2016

STATUS

approved