A267225 - OEIS

%I #5 Jan 12 2016 08:04:59

%S 2,9,54,470,5375,76237,1291052,25415028,570177387,14358031083,

%T 400970609974,12297528376718,410864493836407,14852560618944921,

%U 577574220388332600,24040616483779262824,1066403330800172463507

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

%C Diagonal of A267232.

%H R. H. Hardin, <a href="/A267225/b267225.txt">Table of n, a(n) for n = 1..206</a>

%e Some solutions for n=6

%e ..1....5....4....6....6....4....6....3....4....3....5....2....4....4....1....4

%e ..5....5....6....1....0....6....6....6....2....1....0....3....3....2....5....2

%e ..4....2....2....2....4....2....4....0....0....6....5....4....4....4....3....3

%e ..1....0....3....1....0....4....1....6....3....2....6....5....5....2....2....5

%e ..0....3....4....6....4....6....2....6....1....3....4....4....6....0....5....3

%e ..0....0....4....4....5....4....5....3....1....5....2....6....6....2....3....1

%Y Cf. A267232.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 12 2016