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 A269659 Number of length-6 0..n arrays with no adjacent pair x,x+1 repeated. 1
 42, 626, 3816, 15036, 45590, 115902, 259476, 527576, 994626, 1764330, 2976512, 4814676, 7514286, 11371766, 16754220, 24109872, 33979226, 47006946, 63954456, 85713260, 113318982, 147966126, 191023556, 244050696, 308814450, 387306842 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 6 of A269656. LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 FORMULA Empirical: a(n) = n^6 + 6*n^5 + 15*n^4 + 14*n^3 + 3*n^2 + 3*n EXAMPLE Some solutions for n=3 ..1. .3. .3. .1. .2. .0. .1. .2. .2. .0. .3. .2. .2. .0. .2. .2 ..1. .0. .3. .0. .2. .0. .1. .3. .2. .0. .2. .0. .1. .3. .1. .0 ..1. .2. .0. .0. .2. .2. .2. .0. .0. .0. .0. .3. .0. .2. .0. .2 ..2. .0. .1. .3. .2. .0. .3. .1. .2. .2. .1. .3. .0. .2. .2. .0 ..1. .0. .2. .0. .0. .3. .0. .1. .0. .2. .0. .1. .1. .0. .1. .1 ..3. .1. .2. .1. .2. .2. .0. .1. .3. .0. .2. .3. .2. .0. .2. .3 CROSSREFS Cf. A269656. Sequence in context: A279888 A104901 A091962 * A007746 A200853 A214945 Adjacent sequences:  A269656 A269657 A269658 * A269660 A269661 A269662 KEYWORD nonn AUTHOR R. H. Hardin, Mar 02 2016 STATUS approved

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Last modified October 22 21:09 EDT 2018. Contains 316505 sequences. (Running on oeis4.)