The On-Line Encyclopedia of Integer Sequences (OEIS)

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A214183

Number of 0..6 colorings of an nX5 array circular in the 5 direction with new values 0..6 introduced in row major order
(history; published version)

#4 by R. H. Hardin at Sat Jul 07 06:58:55 EDT 2012

STATUS

editing

approved

#3 by R. H. Hardin at Sat Jul 07 06:58:50 EDT 2012

LINKS

R. H. Hardin, <a href="/A214183/b214183.txt">Table of n, a(n) for n = 1..106</a>

#2 by R. H. Hardin at Sat Jul 07 06:58:29 EDT 2012

NAME

allocated for R. H. Hardin

Number of 0..6 colorings of an nX5 array circular in the 5 direction with new values 0..6 introduced in row major order

DATA

11, 7434, 21418431, 76892349394, 282135060192286, 1037404464993610934, 3815299253956873853106, 14031944174294607018138494, 51606920496933612048613391186, 189800837547185166387283413516334

OFFSET

1,1

COMMENTS

Column 4 of A214187

FORMULA

Empirical: a(n) = 4178*a(n-1) -1895863*a(n-2) +209149752*a(n-3) -7928550662*a(n-4) +84119844576*a(n-5) -298704239064*a(n-6) +219967475904*a(n-7)

EXAMPLE

Some solutions for n=4

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

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

..5..1..0..1..6....0..1..2..1..2....0..1..2..1..2....0..1..0..2..1

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

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin Jul 07 2012

STATUS

approved

editing

#1 by R. H. Hardin at Sat Jul 07 06:53:36 EDT 2012

NAME

allocated for R. H. Hardin

KEYWORD

allocated

STATUS

approved