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A252843 Number of (n+2)X(3+2) 0..3 arrays with every consecutive three elements in every row and diagonal having one or two distinct values, and in every column and antidiagonal having two or three distinct values, and new values 0 upwards introduced in row major order 1
175204, 10339272, 610768407, 36248318755, 2154288643145, 127991617429929, 7605677198438510, 451953137956074954, 26856454878943748834, 1595902476474771146136, 94833875106611935114808 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A252844

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..45

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Sequence in context: A342325 A236116 A224253 * A173705 A092012 A224650

Adjacent sequences:  A252840 A252841 A252842 * A252844 A252845 A252846

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 22 2014

STATUS

approved

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Last modified January 18 11:57 EST 2022. Contains 350455 sequences. (Running on oeis4.)