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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A265595 Number of nX2 0..n*2-1 arrays with upper left zero and lower right n*2-1 and each element differing from its horizontal, vertical and antidiagonal neighbors by a power of two. 1
 1, 2, 4, 8, 166, 257, 1627, 19283, 90682, 542663, 6657907, 21585283, 151468895, 1794394408, 6074973762, 38138795310, 768443343629, 2396280011230, 16859340797106, 253945311071870, 892229591233283, 6144902621608354 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Column 2 of A265601. LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE All solutions for n=4 ..0..1....0..4....0..1....0..4....0..4....0..1....0..4....0..4 ..2..3....2..6....2..3....2..3....2..3....2..3....2..3....2..6 ..1..5....4..5....4..5....4..5....4..5....4..5....1..5....4..5 ..3..7....6..7....6..7....3..7....6..7....3..7....3..7....3..7 CROSSREFS Cf. A265601. Sequence in context: A110746 A084010 A203630 * A133036 A083147 A012648 Adjacent sequences:  A265592 A265593 A265594 * A265596 A265597 A265598 KEYWORD nonn AUTHOR R. H. Hardin, Dec 10 2015 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified January 20 10:31 EST 2022. Contains 350471 sequences. (Running on oeis4.)