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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A232302 Number of n X n 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally, vertically or antidiagonally 0
 1, 37, 5149, 6363511, 66287652717, 5637591065064585, 3953611274692252664219, 22845060732287997693078487339, 1087328305739985850553848837289874701, 426327214385010895269748977017138080515645751 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Diagonal of A232309 LINKS Table of n, a(n) for n=1..10. EXAMPLE Some solutions for n=3 ..1..2..2....0..1..1....2..1..1....1..2..0....2..2..2....1..2..0....2..1..0 ..1..2..1....1..2..0....2..0..2....2..1..1....2..0..1....0..0..1....1..1..2 ..0..2..2....0..2..1....2..2..1....2..2..0....1..2..2....2..0..2....0..0..2 CROSSREFS Sequence in context: A305142 A125599 A219409 * A153166 A153168 A195215 Adjacent sequences: A232299 A232300 A232301 * A232303 A232304 A232305 KEYWORD nonn AUTHOR R. H. Hardin, Nov 22 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 June 9 10:32 EDT 2023. Contains 363178 sequences. (Running on oeis4.)