This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A210353 1/4 the number of (n+1)X7 0..3 arrays with every 2X2 subblock having one, two or three distinct clockwise edge differences 1
 5689274, 13085817650, 29234187801911, 66307681156504928, 150365005774145044378, 341167083547574037214431, 774109750788951970050073763, 1756503539641086562853516577253 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 6 of A210355 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=4 ..0..1..2..1..1..0..0....3..0..1..1..1..1..3....0..1..2..3..2..2..0 ..1..0..3..2..1..1..0....0..3..2..2..2..3..3....2..1..1..2..1..0..2 ..0..0..3..3..0..1..0....1..2..2..1..1..3..2....3..0..0..1..0..0..1 ..1..0..3..3..3..2..2....2..1..1..2..1..1..2....0..3..3..2..3..3..2 ..2..1..2..3..2..1..1....3..2..2..3..1..1..1....1..2..1..1..0..0..1 CROSSREFS Sequence in context: A057882 A210163 A114685 * A205045 A139064 A151655 Adjacent sequences:  A210350 A210351 A210352 * A210354 A210355 A210356 KEYWORD nonn AUTHOR R. H. Hardin Mar 20 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 .