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A205631 Number of 7X(n+1) 0..2 arrays with every 2X2 subblock in a row having an equal number of equal diagonal or equal antidiagonal elements, adjacent rows differing in this number, and new values 0..2 introduced in row major order 1
64512, 625512, 8636544, 153531936, 3042034560, 63787803360, 1367618567424, 29643515275104, 645365452421376, 14080651801791360, 307493877105274752, 6718116600373467360, 146806374332666553600, 3208378167723075141600 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 6 of A205626

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..36

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A236702 A224827 A234128 * A205333 A165689 A236469

Adjacent sequences:  A205628 A205629 A205630 * A205632 A205633 A205634

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 29 2012

STATUS

approved

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Last modified November 12 16:45 EST 2019. Contains 329058 sequences. (Running on oeis4.)