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!)
 A183406 Number of nX5 binary arrays with each sum of a(1..i,1..j) no greater than i*j/2 1
 10, 260, 5354, 154079, 3770481, 112353512, 2965955665, 89945894383, 2477411142245, 75930571035939, 2148890776573534, 66330562852888061, 1912878564502004446, 59346407547808417447, 1735296847301030887989 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 5 of A183407 LINKS R. H. Hardin, Table of n, a(n) for n = 1..16 EXAMPLE Some solutions for 4X5 ..0..0..0..1..0....0..1..0..1..0....0..0..1..0..0....0..0..1..1..0 ..0..0..0..0..1....0..1..1..0..0....0..1..0..0..0....0..1..0..1..1 ..0..0..0..0..0....0..0..0..0..0....1..0..0..1..1....1..0..0..0..1 ..0..0..1..1..1....0..1..1..1..0....0..0..1..1..1....1..0..0..0..1 CROSSREFS Sequence in context: A120268 A001824 A024294 * A084999 A268730 A217911 Adjacent sequences:  A183403 A183404 A183405 * A183407 A183408 A183409 KEYWORD nonn AUTHOR R. H. Hardin Jan 04 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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified October 25 19:28 EDT 2020. Contains 338012 sequences. (Running on oeis4.)