A264327 - OEIS

%I #4 Nov 13 2015 20:20:10

%S 1,493,633677,191009848,36439591193,5004015747625,534739648790073,

%T 47271093160982634,3626506774076237883,250491072534377023959,

%U 16015467370198042469229,967671571943986351197684,56117598468254134348216611,3160386391272010574690621055

%N Number of permutations of [n] with exactly eight (possibly overlapping) occurrences of the consecutive pattern 3412.

%H Alois P. Heinz, <a href="/A264327/b264327.txt">Table of n, a(n) for n = 18..180</a>

%Y Column k=8 of A264319.

%K nonn

%O 18,2

%A _Alois P. Heinz_, Nov 11 2015