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A177318 Number of permutations of n copies of 1..6 with all adjacent differences <= 1 in absolute value. 2

%I

%S 1,2,86,10010,1543862,276285002,54331653686,11408205434138,

%T 2514046004253110,574996024253854586,135442141147145037086,

%U 32677132473420748546466,8041851882854648557516118,2012484136612620102100796090,510873291048466091968494930086

%N Number of permutations of n copies of 1..6 with all adjacent differences <= 1 in absolute value.

%H Andrew Howroyd, <a href="/A177318/b177318.txt">Table of n, a(n) for n = 0..200</a>

%Y Row n=6 of A331562.

%K nonn

%O 0,2

%A _R. H. Hardin_, May 06 2010

%E a(0)=1 prepended by _Alois P. Heinz_, Jan 20 2020

%E a(11)-a(12) from _Alois P. Heinz_, Jan 22 2020

%E Terms a(13) and beyond from _Andrew Howroyd_, May 15 2020

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Last modified September 27 18:56 EDT 2021. Contains 347694 sequences. (Running on oeis4.)