A239847 - OEIS

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A239847

Number of nX5 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of elements above it or two plus the sum of the elements diagonally to its northwest, modulo 4

1

6, 64, 777, 9066, 94613, 874352, 7359682, 57010666, 415293446, 2875073417, 18986652001, 119735313147, 722116564676, 4175005844876, 23202958004002, 124286471443305, 643293955874909, 3224900899408007, 15691805196356857

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

OFFSET

1,1

COMMENTS

Column 5 of A239849

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..250

R. H. Hardin, Empirical polynomial of degree 121

FORMULA

Empirical polynomial of degree 121 (see link above)

EXAMPLE

Some solutions for n=4

..3..3..0..0..0....0..0..3..3..0....0..0..0..0..0....0..0..3..3..0

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

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

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

CROSSREFS

Sequence in context: A025609 A309186 A156887 * A264634 A296165 A173500

Adjacent sequences: A239844 A239845 A239846 * A239848 A239849 A239850

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 28 2014

STATUS

approved