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A250947 Number of (5+1)X(n+1) 0..2 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction 1
4213, 37477, 289407, 2067987, 13550488, 82716842, 475951361, 2607327593, 13706603051, 69579650721, 342789966169, 1645599770557, 7723376454256, 35535740771330, 160654007541185, 715028979049233, 3138157060272099 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 5 of A250942

LINKS

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

R. H. Hardin, Empirical recurrence of order 60

FORMULA

Empirical recurrence of order 60 (see link above)

EXAMPLE

Some solutions for n=2

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

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

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

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

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

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

CROSSREFS

Sequence in context: A212613 A229540 A250903 * A291136 A067140 A283725

Adjacent sequences: A250944 A250945 A250946 * A250948 A250949 A250950

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 28 2014

STATUS

approved

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Last modified February 7 21:52 EST 2023. Contains 360131 sequences. (Running on oeis4.)