A246224 - cp's OEIS frontend

A246224 Number of permutations of [n] with exactly four (possibly overlapping) occurrences of the consecutive step pattern given by the binary expansion of n, where 1=up and 0=down.

%I A246224 #8 Jan 12 2015 09:43:04
%S A246224 1,0,0,0,0,0,0,0,255577419,0,0,9542007262728,6774382288791,0,
%T A246224 2426035607748545873,7229099931331250350,1033055991550105110,
%U A246224 2319374753629800000,19452094129713604966805,438500213962184713953125,45449834784068599467011795
%N A246224 Number of permutations of [n] with exactly four (possibly overlapping) occurrences of the consecutive step pattern given by the binary expansion of n, where 1=up and 0=down.
%H A246224 Alois P. Heinz, <a href="/A246224/b246224.txt">Table of n, a(n) for n = 7..130</a>
%Y A246224 Column k=4 of A242783.
%K A246224 nonn
%O A246224 7,9
%A A246224 _Alois P. Heinz_, Aug 19 2014

cp's OEIS Frontend

A246224 Number of permutations of [n] with exactly four (possibly overlapping) occurrences of the consecutive step pattern given by the binary expansion of n, where 1=up and 0=down.