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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A184405 1/6 the number of (n+2)X4 0..2 arrays with each 3X3 subblock containing two of one value, three of another, and four of the last 1
 16140, 326100, 6361037, 127484430, 2555137939, 51389641795, 1035065757204, 20870295045966, 421098204454741, 8500324048315260, 171638818042385741, 3466424314411616868, 70017331814282370642, 1414381291357998662563 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 2 of A184407 LINKS R. H. Hardin, Table of n, a(n) for n = 1..200 EXAMPLE Some solutions with a(1,1)=0 for 6X4 ..0..0..0..0....0..0..0..0....0..0..0..2....0..0..0..2....0..0..0..2 ..2..0..1..2....2..0..1..2....2..0..1..1....2..0..1..0....2..0..1..0 ..2..1..1..2....2..1..1..2....2..1..1..2....2..1..1..2....2..1..1..2 ..1..0..0..0....1..0..2..1....2..0..2..2....2..0..1..2....2..0..2..1 ..1..2..0..1....1..0..2..2....1..1..0..2....2..1..0..0....2..1..0..2 ..0..2..1..2....1..0..1..2....1..1..0..2....2..2..0..2....2..0..1..1 CROSSREFS Sequence in context: A335305 A267118 A145717 * A134120 A109566 A235244 Adjacent sequences: A184402 A184403 A184404 * A184406 A184407 A184408 KEYWORD nonn AUTHOR R. H. Hardin Jan 12 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 August 15 19:07 EDT 2024. Contains 375173 sequences. (Running on oeis4.)