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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A183714 1/20 of the number of (n+1) X 5 0..4 arrays with every 2 X 2 subblock strictly increasing clockwise or counterclockwise with one decrease. 1
 29, 174, 950, 5362, 30113, 169560, 954496, 5374440, 30261345, 170394226, 959449106, 5402445266, 30419982145, 171288302164, 964487232600, 5430818438104, 30579761182213, 172188006484798, 969553341271046 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 4 of A183719. LINKS R. H. Hardin, Table of n, a(n) for n = 1..200 FORMULA Empirical: a(n) = 6*a(n-1) + 5*a(n-2) - 42*a(n-3) - 2*a(n-4) + 84*a(n-5) - 20*a(n-6) - 46*a(n-7) + 19*a(n-8) + 2*a(n-9) - a(n-10). EXAMPLE Some solutions for 3 X 5: ..2..1..2..0..1....4..3..0..3..4....3..4..3..4..2....0..3..4..3..4 ..3..0..3..4..3....0..2..1..2..1....2..1..2..0..1....1..2..0..1..0 ..2..1..2..0..2....4..3..4..3..4....4..0..3..4..2....0..3..4..2..3 ... ...L..R..L..R.......L..R..L..R.......R..L..R..L.......L..R..L..R... ...R..L..R..L.......R..L..R..L.......L..R..L..R.......R..L..R..L... CROSSREFS Sequence in context: A238599 A033219 A142407 * A042640 A140573 A165613 Adjacent sequences:  A183711 A183712 A183713 * A183715 A183716 A183717 KEYWORD nonn AUTHOR R. H. Hardin, Jan 06 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 14 06:54 EDT 2022. Contains 356110 sequences. (Running on oeis4.)