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A251001 Number of (7+1)X(n+1) 0..2 arrays with nondecreasing min(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
120930, 1466191, 12238954, 86049801, 514669302, 2783159034, 13747683580, 63554260453, 277317915194, 1155900937722, 4631141670183, 17956854002984, 67682466852143, 249041501212468, 897394745093593, 3175730998873574 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 7 of A250994

LINKS

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

R. H. Hardin, Empirical recurrence of order 67

FORMULA

Empirical recurrence of order 67 (see link above)

EXAMPLE

Some solutions for n=1

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

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A278005 A237336 A234340 * A061128 A228510 A237247

Adjacent sequences:  A250998 A250999 A251000 * A251002 A251003 A251004

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 29 2014

STATUS

approved

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Last modified September 23 20:42 EDT 2021. Contains 347617 sequences. (Running on oeis4.)