This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A206183 Number of (n+1)X4 0..3 arrays with every 2X2 subblock having the same number of clockwise edge increases as its horizontal neighbors and the same number of anticlockwise edge increases as its vertical neighbors 1
 15616, 205804, 3802676, 95187756, 2674444796, 78597249508, 2345626036136, 70435464744476, 2120394113295768, 63902858041046532, 1926797824397810952, 58109661058209293020, 1752687447844172570092, 52866528655142833934812 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 3 of A206188 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=4 ..2..1..0..1....2..3..2..0....1..3..2..0....1..0..0..0....1..2..1..3 ..1..3..1..2....2..3..0..0....3..3..0..0....0..3..2..1....2..3..2..0 ..0..1..3..1....0..0..2..1....1..0..3..1....0..2..2..1....0..1..3..1 ..2..3..1..2....3..0..1..1....0..0..1..1....0..1..1..1....1..2..0..3 ..3..0..2..3....2..2..0..2....2..1..0..3....1..0..3..2....0..1..3..0 CROSSREFS Sequence in context: A100973 A206104 A205654 * A205365 A129152 A223185 Adjacent sequences:  A206180 A206181 A206182 * A206184 A206185 A206186 KEYWORD nonn AUTHOR R. H. Hardin Feb 04 2012 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .