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 A246477 Number of length n+3 0..6 arrays with no pair in any consecutive four terms totaling exactly 6. 1
 966, 4386, 20004, 91212, 415650, 1893780, 8628792, 39320988, 179184654, 816514170, 3720653346, 16954232310, 77257406100, 352048294158, 1604217270528, 7310107829838, 33310766859666, 151790888076216, 691682436483000 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 6 of A246479. LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 FORMULA Empirical: a(n) = 3*a(n-1) +2*a(n-2) +3*a(n-3) +77*a(n-4) +55*a(n-5) +59*a(n-6) +18*a(n-7) +a(n-8) +4*a(n-9) +a(n-10). EXAMPLE Some solutions for n=4 ..1....1....5....2....0....1....5....0....3....0....6....4....3....5....1....2 ..0....4....5....0....0....1....4....0....2....5....3....5....1....5....1....1 ..1....0....3....3....1....2....4....1....1....2....5....5....4....4....3....2 ..2....4....5....5....3....0....6....0....1....2....5....4....1....6....1....6 ..2....0....0....2....4....2....3....4....1....3....2....5....6....6....2....2 ..3....4....5....5....6....5....5....0....3....5....0....3....1....6....0....6 ..5....0....2....0....1....3....5....5....1....5....2....5....6....3....3....1 CROSSREFS Cf. A246479. Sequence in context: A260291 A251232 A202049 * A064258 A142378 A035887 Adjacent sequences: A246474 A246475 A246476 * A246478 A246479 A246480 KEYWORD nonn AUTHOR R. H. Hardin, Aug 27 2014 STATUS approved

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Last modified July 22 10:58 EDT 2024. Contains 374490 sequences. (Running on oeis4.)