cp's OEIS Frontend

A214942 Number of squarefree words of length n in an 8-ary alphabet.

%I A214942 #6 Nov 28 2016 01:50:12
%S A214942 8,56,392,2688,18480,126672,868560,5953248,40806528,279692784,
%T A214942 1917062784,13139773584,90061652352,617293135536,4231000268208,
%U A214942 28999772127648
%N A214942 Number of squarefree words of length n in an 8-ary alphabet.
%C A214942 Column 7 of A214943.
%e A214942 Some solutions for n=6:
%e A214942 ..0....0....3....2....5....2....5....5....0....5....6....7....4....4....5....2
%e A214942 ..5....1....5....3....2....0....3....6....7....6....7....6....7....7....4....3
%e A214942 ..3....2....4....1....3....7....1....5....1....3....1....3....2....3....5....7
%e A214942 ..0....0....0....4....4....4....0....1....7....0....6....2....3....4....1....4
%e A214942 ..1....7....2....6....5....0....6....4....0....2....0....1....2....5....4....7
%e A214942 ..3....6....4....4....2....1....0....2....7....0....1....4....7....7....7....2
%K A214942 nonn
%O A214942 1,1
%A A214942 _R. H. Hardin_ Jul 30 2012