cp's OEIS Frontend

A267225 Number of length-n 0..n arrays with no following elements greater than or equal to the first repeated value.

%I A267225 #5 Jan 12 2016 08:04:59
%S A267225 2,9,54,470,5375,76237,1291052,25415028,570177387,14358031083,
%T A267225 400970609974,12297528376718,410864493836407,14852560618944921,
%U A267225 577574220388332600,24040616483779262824,1066403330800172463507
%N A267225 Number of length-n 0..n arrays with no following elements greater than or equal to the first repeated value.
%C A267225 Diagonal of A267232.
%H A267225 R. H. Hardin, <a href="/A267225/b267225.txt">Table of n, a(n) for n = 1..206</a>
%e A267225 Some solutions for n=6
%e A267225 ..1....5....4....6....6....4....6....3....4....3....5....2....4....4....1....4
%e A267225 ..5....5....6....1....0....6....6....6....2....1....0....3....3....2....5....2
%e A267225 ..4....2....2....2....4....2....4....0....0....6....5....4....4....4....3....3
%e A267225 ..1....0....3....1....0....4....1....6....3....2....6....5....5....2....2....5
%e A267225 ..0....3....4....6....4....6....2....6....1....3....4....4....6....0....5....3
%e A267225 ..0....0....4....4....5....4....5....3....1....5....2....6....6....2....3....1
%Y A267225 Cf. A267232.
%K A267225 nonn
%O A267225 1,1
%A A267225 _R. H. Hardin_, Jan 12 2016