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 A250326 Number of length 7+2 0..n arrays with the sum of second differences squared multiplied by some arrangement of +-1 equal to zero 0
 212, 5849, 61092, 363457, 1559080, 5237161, 14866258, 37065983, 83449226, 172987415 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 7 of A250320 LINKS EXAMPLE Some solutions for n=3 ..3....3....0....0....2....2....3....0....1....1....2....3....1....3....0....2 ..1....1....0....3....3....3....1....1....0....0....0....3....3....1....0....1 ..1....0....0....3....3....3....1....3....3....1....3....0....2....1....1....0 ..0....0....1....3....0....0....2....2....2....3....0....3....3....0....3....1 ..0....2....2....3....0....1....2....2....0....0....3....2....1....0....2....2 ..1....2....1....3....2....1....3....3....2....3....3....2....0....1....2....3 ..2....1....2....0....0....3....0....3....2....2....0....0....0....2....3....0 ..2....1....3....3....3....0....1....0....0....0....2....0....0....2....0....1 ..0....3....1....0....0....3....3....1....1....1....2....2....2....2....0....0 CROSSREFS Sequence in context: A082828 A254704 A267062 * A344423 A238023 A204299 Adjacent sequences: A250323 A250324 A250325 * A250327 A250328 A250329 KEYWORD nonn AUTHOR R. H. Hardin, Nov 18 2014 STATUS approved

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Last modified February 8 09:04 EST 2023. Contains 360138 sequences. (Running on oeis4.)