The OEIS is supported by the many generous donors to the OEIS Foundation.

 Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”). Other ways to Give
 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A201068 Number of nX4 0..6 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other 1
 35, 77, 2611, 22440, 43308, 1127514, 175865, 20393189, 14766300, 158314010, 495900141, 452698962, 6176064188, 493804760, 39573007249, 18657025428, 128820947525, 280570465208, 193035367346, 1994641001437, 119475251989 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 4 of A201072 LINKS R. H. Hardin, Table of n, a(n) for n = 1..33 EXAMPLE Some solutions for n=5 ..0..1..3..4....0..0..1..2....0..0..2..3....0..1..1..3....0..0..2..3 ..0..2..3..4....0..1..3..4....0..2..3..5....0..2..2..3....0..1..3..4 ..1..2..4..5....1..2..4..5....1..2..4..5....0..4..5..5....1..2..3..5 ..1..2..5..6....2..3..4..5....1..3..4..5....1..4..5..6....1..4..4..6 ..3..5..6..6....3..6..6..6....1..6..6..6....2..4..6..6....5..5..6..6 CROSSREFS Sequence in context: A257750 A257751 A259282 * A111144 A267555 A201632 Adjacent sequences: A201065 A201066 A201067 * A201069 A201070 A201071 KEYWORD nonn AUTHOR R. H. Hardin Nov 26 2011 STATUS approved

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

Last modified November 28 05:56 EST 2022. Contains 358407 sequences. (Running on oeis4.)