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 A203637 Number of n X 7 0..1 arrays with the counts of all possible adjacent horizontal and vertical pair sum values being within one of each other. 1
 6, 222, 7636, 103690, 16080792, 835055180, 14513555724, 2569455032894, 146312253947688, 2722270161317096, 504142571118827960, 29822099016054530934, 572854110550094487544, 108558379526448971465452 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 7 of A203638. LINKS R. H. Hardin, Table of n, a(n) for n = 1..15 EXAMPLE Some solutions for n=3 ..1..1..0..0..0..0..1....1..1..1..1..1..1..1....0..0..1..1..1..1..1 ..1..1..0..0..1..1..0....1..0..0..0..0..0..1....0..0..1..1..0..1..1 ..1..1..0..0..1..1..0....1..1..1..0..0..0..0....1..0..0..0..0..0..1 CROSSREFS Cf. A203638. Sequence in context: A015477 A331477 A144658 * A144045 A355669 A061610 Adjacent sequences: A203634 A203635 A203636 * A203638 A203639 A203640 KEYWORD nonn AUTHOR R. H. Hardin, Jan 04 2012 STATUS approved

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Last modified April 23 12:44 EDT 2024. Contains 371913 sequences. (Running on oeis4.)