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A206381 Number of (n+1)X7 0..3 arrays with every 2X2 subblock having the same number of equal diagonal or antidiagonal elements, and new values 0..3 introduced in row major order 1
385465, 222329489, 137393517193, 85678539791333, 53482634218458697, 33391295169652273181, 20848171803769792984489, 13016855431061639609291213, 8127274925445989337637081801, 5074392067217049794271345475469 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A206383
LINKS
EXAMPLE
Some solutions for n=4
..0..0..0..0..0..0..0....0..0..1..0..0..0..2....0..0..1..1..2..2..3
..0..1..0..1..0..2..0....3..0..0..0..2..0..0....2..2..2..3..3..0..3
..3..0..3..0..2..1..2....2..3..0..1..0..3..0....1..1..0..0..2..0..2
..1..3..2..3..0..2..0....0..2..3..0..3..3..3....2..3..2..1..1..3..2
..2..1..3..1..3..0..1....3..0..2..3..2..3..2....2..3..0..3..0..3..2
CROSSREFS
Sequence in context: A205589 A157843 A206167 * A234216 A258686 A157739
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 07 2012
STATUS
approved

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Last modified April 15 00:51 EDT 2024. Contains 371667 sequences. (Running on oeis4.)