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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A205768 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock having nonzero determinant and having the same number of clockwise edge increases as its horizontal and vertical neighbors 9
 192, 1262, 1262, 8659, 17674, 8659, 62607, 274013, 274013, 62607, 462040, 4570761, 9909258, 4570761, 462040, 3490700, 77757894, 375857889, 375857889, 77757894, 3490700, 26672819, 1336717872, 14312320196, 31592825608, 14312320196 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts .......192.........1262............8659...............62607 ......1262........17674..........274013.............4570761 ......8659.......274013.........9909258...........375857889 .....62607......4570761.......375857889.........31592825608 ....462040.....77757894.....14312320196.......2656185934184 ...3490700...1336717872....545700470559.....223459321298323 ..26672819..23044169753..20808476912916...18792440902201504 .205747848.397824057617.793486314120669.1580709916943096718 LINKS R. H. Hardin, Table of n, a(n) for n = 1..127 EXAMPLE Some solutions for 5X5 ..2..2..0..1..3....2..2..3..2..0....1..0..1..3..2....0..1..2..3..2 ..0..3..1..3..0....1..2..2..2..3....0..1..0..1..3....1..2..1..1..3 ..2..0..2..0..3....1..1..2..3..3....3..3..2..1..0....0..1..3..2..1 ..0..1..0..3..2....1..2..2..2..3....2..0..3..2..1....2..0..2..3..2 ..1..3..2..0..3....1..1..2..3..3....1..3..1..0..3....2..1..0..1..0 CROSSREFS Sequence in context: A305073 A101451 A094949 * A205761 A346251 A133064 Adjacent sequences: A205765 A205766 A205767 * A205769 A205770 A205771 KEYWORD nonn,tabl AUTHOR R. H. Hardin Jan 30 2012 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 12 19:26 EDT 2024. Contains 375113 sequences. (Running on oeis4.)