The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A237400 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A237400

Number of (n+1) X (2+1) 0..3 arrays with the maximum plus the upper median plus the lower median minus the minimum of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one.
(history; published version)

#7 by Alois P. Heinz at Fri Feb 07 19:24:13 EST 2014

STATUS

proposed

approved

#6 by Jon E. Schoenfield at Fri Feb 07 19:19:59 EST 2014

STATUS

editing

proposed

#5 by Jon E. Schoenfield at Fri Feb 07 19:19:57 EST 2014

NAME

Number of (n+1) X (2+1) 0..3 arrays with the maximum plus the upper median plus the lower median minus the minimum of every 2X2 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one.

COMMENTS

Column 2 of A237403.

STATUS

approved

editing

#4 by R. H. Hardin at Fri Feb 07 05:33:10 EST 2014

STATUS

editing

approved

#3 by R. H. Hardin at Fri Feb 07 05:33:07 EST 2014

LINKS

R. H. Hardin, <a href="/A237400/b237400.txt">Table of n, a(n) for n = 1..210</a>

#2 by R. H. Hardin at Fri Feb 07 05:32:53 EST 2014

NAME

allocated for R. H. Hardin

Number of (n+1)X(2+1) 0..3 arrays with the maximum plus the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

DATA

1540, 13924, 126848, 1200450, 11356368, 107575258, 1019532240, 9677144372, 91828244608, 870656179420, 8257010060008, 78380260564790, 743849267283708, 7052992728980384, 66890881275269768, 634973419568809332

OFFSET

1,1

COMMENTS

Column 2 of A237403

EXAMPLE

Some solutions for n=3

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

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

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

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

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin, Feb 07 2014

STATUS

approved

editing

#1 by R. H. Hardin at Fri Feb 07 05:31:19 EST 2014

NAME

allocated for R. H. Hardin

KEYWORD

allocated

STATUS

approved