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%I #6 Mar 02 2016 21:07:59
%S 0,0,1,15168751,1020149742404727,285867869484243410805931,
%T 276745258345325814650980975177139,
%U 789007694236868030155290867470985247486401,5841526335200139692050292842849347521755651331941759,101741646114927245552012617872560516024563394870390766150081895
%N Number of sequences with 8 copies each of 1,2,...,n avoiding the pattern 12...n.
%H Alois P. Heinz, <a href="/A269118/b269118.txt">Table of n, a(n) for n = 0..70</a>
%F a(n) = A172609(n) - A268851(n).
%Y Column k=8 of A269129.
%Y Cf. A172609, A268851.
%K nonn
%O 0,4
%A _Alois P. Heinz_, Feb 19 2016
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