A269116 - OEIS

%I #6 Mar 02 2016 21:11:01

%S 0,0,1,224296,132279480115,208728647384065181,

%T 791857392420720220446647,6541943110420293280017597411002,

%U 108710813295434106456771753677041770655,3413618982844502796240740610191874586048936771,192715148077645864521949395033355447100683080114830089

%N Number of sequences with 6 copies each of 1,2,...,n avoiding the pattern 12...n.

%H Alois P. Heinz, <a href="/A269116/b269116.txt">Table of n, a(n) for n = 0..91</a>

%F a(n) = A248814(n) - A268849(n).

%Y Column k=6 of A269129.

%Y Cf. A248814, A268849.

%K nonn

%O 0,4

%A _Alois P. Heinz_, Feb 19 2016