The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A267225 Number of length-n 0..n arrays with no following elements greater than or equal to the first repeated value. 1
 2, 9, 54, 470, 5375, 76237, 1291052, 25415028, 570177387, 14358031083, 400970609974, 12297528376718, 410864493836407, 14852560618944921, 577574220388332600, 24040616483779262824, 1066403330800172463507 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A267232. LINKS R. H. Hardin, Table of n, a(n) for n = 1..206 EXAMPLE Some solutions for n=6 ..1....5....4....6....6....4....6....3....4....3....5....2....4....4....1....4 ..5....5....6....1....0....6....6....6....2....1....0....3....3....2....5....2 ..4....2....2....2....4....2....4....0....0....6....5....4....4....4....3....3 ..1....0....3....1....0....4....1....6....3....2....6....5....5....2....2....5 ..0....3....4....6....4....6....2....6....1....3....4....4....6....0....5....3 ..0....0....4....4....5....4....5....3....1....5....2....6....6....2....3....1 CROSSREFS Cf. A267232. Sequence in context: A064151 A075679 A001757 * A078455 A036074 A231172 Adjacent sequences:  A267222 A267223 A267224 * A267226 A267227 A267228 KEYWORD nonn AUTHOR R. H. Hardin, Jan 12 2016 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified August 4 05:02 EDT 2021. Contains 346442 sequences. (Running on oeis4.)