The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A238931 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A238931

Number of (2+1)X(n+1) 0..3 arrays with no element greater than all horizontal neighbors or equal to all vertical neighbors
(history; published version)

#4 by R. H. Hardin at Fri Mar 07 08:25:41 EST 2014

STATUS

editing

approved

#3 by R. H. Hardin at Fri Mar 07 08:25:37 EST 2014

LINKS

R. H. Hardin, <a href="/A238931/b238931.txt">Table of n, a(n) for n = 1..210</a>

#2 by R. H. Hardin at Fri Mar 07 08:25:19 EST 2014

NAME

allocated for R. H. Hardin

Number of (2+1)X(n+1) 0..3 arrays with no element greater than all horizontal neighbors or equal to all vertical neighbors

DATA

36, 864, 13090, 191086, 3025468, 48511734, 773430790, 12302664748, 195681771826, 3112430935472, 49506315426444, 787527376832916, 12528312743968620, 199302213997643582, 3170445669642515236, 50434269374897263770

OFFSET

1,1

COMMENTS

Row 2 of A238929

EXAMPLE

Some solutions for n=4

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

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

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

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin, Mar 07 2014

STATUS

approved

editing

#1 by R. H. Hardin at Fri Mar 07 07:16:26 EST 2014

NAME

allocated for R. H. Hardin

KEYWORD

allocated

STATUS

approved