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Revision History for A219741 (Underlined text is an addition; strikethrough text is a deletion.)

newer changes | Showing entries 11-14
A219741 T(n,k) = Unmatched value maps: number of nXk binary arrays indicating the locations of corresponding elements not equal to any horizontal, vertical or antidiagonal neighbor in a random 0..1 nXk array.
(history; published version)
#4 by R. H. Hardin at Mon Nov 26 21:34:16 EST 2012
STATUS

editing

approved

#3 by R. H. Hardin at Mon Nov 26 21:34:06 EST 2012
LINKS

R. H. Hardin, <a href="/A219741/b219741.txt">Table of n, a(n) for n = 1..337</a>

#2 by R. H. Hardin at Mon Nov 26 21:33:49 EST 2012
NAME

allocated for R. H. Hardin

T(n,k)=Unmatched value maps: number of nXk binary arrays indicating the locations of corresponding elements not equal to any horizontal, vertical or antidiagonal neighbor in a random 0..1 nXk array

DATA

1, 2, 2, 4, 6, 4, 7, 13, 13, 7, 12, 28, 42, 28, 12, 21, 60, 126, 126, 60, 21, 37, 129, 387, 524, 387, 129, 37, 65, 277, 1180, 2229, 2229, 1180, 277, 65, 114, 595, 3606, 9425, 13322, 9425, 3606, 595, 114, 200, 1278, 11012, 39905, 78661, 78661, 39905, 11012, 1278, 200

OFFSET

1,2

COMMENTS

Table starts

...1.....2......4........7.........12...........21.............37

...2.....6.....13.......28.........60..........129............277

...4....13.....42......126........387.........1180...........3606

...7....28....126......524.......2229.........9425..........39905

..12....60....387.....2229......13322........78661.........466288

..21...129...1180.....9425......78661.......647252........5350080

..37...277...3606....39905.....466288......5350080.......61758332

..65...595..11012...168925....2760690.....44159095......711479843

.114..1278..33636...715072...16350693....364647622.....8201909757

.200..2745.102733..3027049...96830726...3010723330....94531063074

.351..5896.313781.12813931..573456240..24858935864..1089590912023

.616.12664.958384.54243509.3396136349.205253857220.12558669019786

EXAMPLE

Some solutions for n=3 k=4

..0..0..0..0....1..0..0..1....0..0..1..0....0..0..1..0....0..0..0..1

..0..1..0..0....0..0..0..0....1..0..0..0....0..0..0..0....0..1..0..0

..0..0..0..0....0..1..0..1....0..0..0..1....1..0..0..1....0..0..0..0

CROSSREFS

Column 1 is A005251(n+2)

Column 2 is A002478(n+1)

Column 3 is A105262(n+1) for n>1

Diagonal is A066864

KEYWORD

allocated

nonn,tabl

AUTHOR

R. H. Hardin Nov 26 2012

STATUS

approved

editing

#1 by R. H. Hardin at Mon Nov 26 21:29:06 EST 2012
NAME

allocated for R. H. Hardin

KEYWORD

allocated

STATUS

approved

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Last modified August 30 21:23 EDT 2024. Contains 375549 sequences. (Running on oeis4.)