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A224284 Number of 5Xn 0..3 arrays with diagonals and rows unimodal and antidiagonals nondecreasing 1

%I #6 Aug 11 2014 22:45:51

%S 1024,160000,2596992,21348990,137489538,817075668,4728056658,

%T 26524273813,141437578159,706256665798,3280530467805,14165878265784,

%U 57028400060821,214999615263699,762959963267749,2561695629991349,8178284227377456

%N Number of 5Xn 0..3 arrays with diagonals and rows unimodal and antidiagonals nondecreasing

%C Row 5 of A224281

%H R. H. Hardin, <a href="/A224284/b224284.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A224284/a224284.txt">Empirical polynomial of degree 30</a>

%F Empirical polynomial of degree 30 (see link above)

%e Some solutions for n=3

%e ..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0

%e ..2..0..0....0..0..2....0..2..0....1..0..0....1..2..0....1..2..1....2..0..0

%e ..0..0..0....2..2..2....3..3..2....3..3..0....3..3..3....2..2..1....1..1..0

%e ..3..0..0....2..2..0....3..2..1....3..1..0....3..3..1....2..2..3....1..1..0

%e ..1..3..2....2..3..0....3..1..0....1..1..1....3..2..0....3..3..3....1..1..2

%K nonn

%O 1,1

%A _R. H. Hardin_ Apr 02 2013

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Last modified April 25 13:27 EDT 2024. Contains 371971 sequences. (Running on oeis4.)