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Revision History for A222278

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Number of nX5 0..5 arrays with no entry increasing mod 6 by 5 rightwards or downwards, starting with upper left zero
(history; published version)
#4 by R. H. Hardin at Thu Feb 14 18:28:44 EST 2013
STATUS

editing

approved

#3 by R. H. Hardin at Thu Feb 14 18:28:40 EST 2013
LINKS

R. H. Hardin, <a href="/A222278/b222278.txt">Table of n, a(n) for n = 1..135</a>

#2 by R. H. Hardin at Thu Feb 14 18:28:27 EST 2013
NAME

allocated for R. H. Hardin

Number of nX5 0..5 arrays with no entry increasing mod 6 by 5 rightwards or downwards, starting with upper left zero

DATA

625, 972405, 1513010465, 2354171487645, 3662978221194885, 5699418948690910545, 8868023343395876315745, 13798220262404977892742445, 21469370911390982766132649045, 33405314494566540518963638820105

OFFSET

1,1

COMMENTS

Column 5 of A222281

FORMULA

Empirical: a(n) = 1784*a(n-1) -372607*a(n-2) +28170251*a(n-3) -798596554*a(n-4) +1889917225*a(n-5) +177172468750*a(n-6) -651776500000*a(n-7)

EXAMPLE

Some solutions for n=2

..0..0..1..3..3....0..0..3..1..2....0..0..0..0..2....0..0..3..4..1

..2..0..2..5..3....0..4..4..1..2....1..3..0..1..3....2..3..0..1..2

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin Feb 14 2013

STATUS

approved

editing

#1 by R. H. Hardin at Thu Feb 14 18:25:54 EST 2013
NAME

allocated for R. H. Hardin

KEYWORD

allocated

STATUS

approved