The On-Line Encyclopedia of Integer Sequences (OEIS)

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A251018

Number of (n+1)X(7+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements less than the maximum of its antidiagonal elements
(history; published version)

#6 by R. H. Hardin at Mon Dec 01 12:45:37 EST 2014

STATUS

editing

approved

#5 by R. H. Hardin at Mon Dec 01 12:45:35 EST 2014

NAME

Number of (n+1)X(7+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements greater less than the maximum of its antidiagonal elements

STATUS

approved

editing

#4 by R. H. Hardin at Sat Nov 29 16:30:45 EST 2014

STATUS

editing

approved

#3 by R. H. Hardin at Sat Nov 29 16:30:42 EST 2014

LINKS

R. H. Hardin, <a href="/A251018/b251018.txt">Table of n, a(n) for n = 1..210</a>

#2 by R. H. Hardin at Sat Nov 29 16:30:27 EST 2014

NAME

allocated for R. H. Hardin

Number of (n+1)X(7+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements greater than the maximum of its antidiagonal elements

DATA

5657125, 6895174650, 8124335802103, 9606281958966442, 11361245256068263101, 13434537978036585857431, 15886176013807764828256390, 18785635148748205309781691487, 22214352650941113874305586694336

OFFSET

1,1

COMMENTS

Column 7 of A251019

EXAMPLE

Some solutions for n=1

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

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

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin, Nov 29 2014

STATUS

approved

editing

#1 by R. H. Hardin at Sat Nov 29 16:23:53 EST 2014

NAME

allocated for R. H. Hardin

KEYWORD

allocated

STATUS

approved