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 A183881 Number of arrangements of n+2 numbers in 0..6 with each number being the sum mod 7 of two others 1
 1, 1, 1231, 32521, 424537, 4079713, 33702403, 257404033, 1885866973, 13515603289, 95750388631, 674299155193, 4734193668289, 33187816266097, 232479450595819, 1627911123290065, 11397233380815013, 79786797746740777, 558527947985495935 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS Column 6 of A183884 LINKS R. H. Hardin, Table of n, a(n) for n = 1..80 EXAMPLE Some solutions for n=3 ..1....2....3....1....5....4....4....3....1....2....2....5....6....2....1....1 ..3....0....2....3....2....5....6....5....5....5....6....3....1....1....3....4 ..5....0....1....6....5....3....3....1....2....4....1....6....5....6....6....5 ..2....0....3....2....0....2....5....5....3....3....5....2....2....4....3....2 ..4....2....6....4....2....1....1....4....4....1....3....1....4....5....2....6 CROSSREFS Sequence in context: A251405 A278018 A182721 * A270540 A206272 A064942 Adjacent sequences: A183878 A183879 A183880 * A183882 A183883 A183884 KEYWORD nonn AUTHOR R. H. Hardin Jan 07 2011 STATUS approved

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Last modified May 27 03:56 EDT 2024. Contains 372847 sequences. (Running on oeis4.)