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 A206175 Number of 7X(n+1) 0..3 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..3 introduced in row major order 0
 609086, 53494742, 7934434238, 1412613762182, 261163772277422, 48801583349072774 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 6 of A206169 LINKS EXAMPLE Some solutions for n=4 ..0..0..0..0..0....0..0..0..0..0....0..0..0..0..1....0..0..0..1..0 ..0..1..0..1..0....0..1..0..2..0....1..0..2..0..0....0..2..0..0..2 ..3..1..2..1..3....3..1..0..1..0....1..3..2..3..1....1..1..3..3..3 ..2..3..1..3..0....3..3..1..3..1....1..1..3..0..3....3..1..1..3..2 ..2..3..2..3..1....0..0..0..0..1....3..2..3..1..1....2..2..0..3..0 ..0..2..2..2..3....1..0..1..0..0....3..3..3..3..1....0..2..2..0..1 ..1..1..3..0..3....3..2..3..2..1....0..0..2..2..0....0..3..1..0..2 CROSSREFS Sequence in context: A340924 A218107 A274173 * A205429 A308279 A195281 Adjacent sequences:  A206172 A206173 A206174 * A206176 A206177 A206178 KEYWORD nonn AUTHOR R. H. Hardin Feb 04 2012 STATUS approved

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Last modified January 28 12:42 EST 2022. Contains 350656 sequences. (Running on oeis4.)