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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A233025 Number of nX7 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally, vertically, diagonally or antidiagonally, and top left element zero 1
 729, 67449, 9997413, 1546718177, 245698677999, 39386531523609, 6338787392715565, 1021854400935817069, 164848602838755709211, 26602184763154679609107, 4293469218556492461639273 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 7 of A233026 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=2 ..0..1..0..1..1..0..1....0..0..1..3..3..3..2....0..2..2..0..0..1..0 ..1..0..0..1..0..1..1....1..0..1..3..2..2..3....2..2..2..0..1..0..1 CROSSREFS Sequence in context: A059978 A223208 A005608 * A224314 A224378 A223479 Adjacent sequences: A233022 A233023 A233024 * A233026 A233027 A233028 KEYWORD nonn AUTHOR R. H. Hardin, Dec 03 2013 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 September 22 14:10 EDT 2023. Contains 365531 sequences. (Running on oeis4.)