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A224284 Number of 5Xn 0..3 arrays with diagonals and rows unimodal and antidiagonals nondecreasing 1
1024, 160000, 2596992, 21348990, 137489538, 817075668, 4728056658, 26524273813, 141437578159, 706256665798, 3280530467805, 14165878265784, 57028400060821, 214999615263699, 762959963267749, 2561695629991349, 8178284227377456 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 5 of A224281

LINKS

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

R. H. Hardin, Empirical polynomial of degree 30

FORMULA

Empirical polynomial of degree 30 (see link above)

EXAMPLE

Some solutions for n=3

..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0

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

..0..0..0....2..2..2....3..3..2....3..3..0....3..3..3....2..2..1....1..1..0

..3..0..0....2..2..0....3..2..1....3..1..0....3..3..1....2..2..3....1..1..0

..1..3..2....2..3..0....3..1..0....1..1..1....3..2..0....3..3..3....1..1..2

CROSSREFS

Sequence in context: A224027 A174155 A269205 * A224207 A017033 A017117

Adjacent sequences:  A224281 A224282 A224283 * A224285 A224286 A224287

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 02 2013

STATUS

approved

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Last modified November 19 22:34 EST 2019. Contains 329323 sequences. (Running on oeis4.)