A250948 - OEIS

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A250948

Number of (6+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

13111, 128507, 1115035, 8976385, 65910564, 447407616, 2839711239, 17032477113, 97375685767, 534377877551, 2830978450213, 14545764469283, 72762581349552, 355496154794076, 1700887643549135, 7987526700446975, 36887717880334053

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Row 6 of A250942.

LINKS

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

R. H. Hardin, Empirical recurrence of order 88

FORMULA

Empirical recurrence of order 88 (see link above).

EXAMPLE

Some solutions for n=2

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A015341 A233689 A250904 * A157433 A089212 A023320

Adjacent sequences: A250945 A250946 A250947 * A250949 A250950 A250951

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 28 2014

STATUS

approved