This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A184488 Number of (n+1)X(n+1) 0..2 arrays with every 2X2 subblock sum greater than 4 1
 31, 1983, 421879, 460055427, 2002349014445, 39657122226381527, 3342508236591318287277, 1238778403260497748171275569, 1987238481358577950495683464612101 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A184497 LINKS R. H. Hardin, Table of n, a(n) for n = 1..10 EXAMPLE Some solutions for 3X3 ..2..0..1....2..1..2....1..1..1....0..2..2....0..2..2....2..2..1....0..1..2 ..1..2..2....1..2..2....1..2..2....2..2..1....2..1..2....2..1..2....2..2..0 ..1..2..0....2..0..1....0..2..2....1..1..1....2..0..2....1..1..2....2..1..2 CROSSREFS Sequence in context: A131751 A042863 A042860 * A218352 A297549 A292706 Adjacent sequences:  A184485 A184486 A184487 * A184489 A184490 A184491 KEYWORD nonn AUTHOR R. H. Hardin Jan 15 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 August 18 20:02 EDT 2019. Contains 326109 sequences. (Running on oeis4.)