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A269128 Number of sequences with n copies each of 1,2,...,10 avoiding the pattern 12...10. 2

%I

%S 1,3628799,2375632826877259,4376906243609822466600689,

%T 12672963300072129619006691134123819,

%U 46436573450646384263588550418764923934014699,192715148077645864521949395033355447100683080114830089,850648497663584994845965280567879628291013809845296658874866879

%N Number of sequences with n copies each of 1,2,...,10 avoiding the pattern 12...10.

%H Alois P. Heinz, <a href="/A269128/b269128.txt">Table of n, a(n) for n = 0..50</a>

%F a(n) = A071552(n) - A268846(n).

%Y Row n=10 of A269129.

%Y Cf. A071552, A268846.

%K nonn

%O 0,2

%A _Alois P. Heinz_, Feb 19 2016

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Last modified October 18 01:39 EDT 2021. Contains 348065 sequences. (Running on oeis4.)