The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A221932 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A221932

Number of 4Xn arrays of occupancy after each element stays put or moves to some horizontal, diagonal or antidiagonal neighbor, without move-in move-out straight through or left turns
(history; published version)

#3 by R. H. Hardin at Fri Feb 01 05:10:00 EST 2013

STATUS

editing

approved

#2 by R. H. Hardin at Fri Feb 01 05:09:56 EST 2013

NAME

allocated for R. H. Hardin

Number of 4Xn arrays of occupancy after each element stays put or moves to some horizontal, diagonal or antidiagonal neighbor, without move-in move-out straight through or left turns

DATA

1, 1367, 153652, 20246283, 2568601026, 326363935235, 41397744561659, 5246761195398438, 664828879659318271, 84233175060135140710

OFFSET

1,2

COMMENTS

Row 4 of A221929

EXAMPLE

Some solutions for n=3

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

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

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

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

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin Feb 01 2013

STATUS

approved

editing

#1 by R. H. Hardin at Fri Feb 01 05:04:39 EST 2013

NAME

allocated for R. H. Hardin

KEYWORD

allocated

STATUS

approved