The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

Thanks to everyone who made a donation during our annual appeal!
To see the list of donors, or make a donation, see the OEIS Foundation home page.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A241135 Number of nX4 0..2 arrays with no element equal to the same number of vertical neighbors as horizontal neighbors, with new values 0..2 introduced in row major order 1
 2, 17, 152, 1670, 19619, 238607, 2939027, 36470565, 454209512, 5665536042, 70725144550, 883230404813, 11031990457193, 137807268659287, 1721508492588267, 21505781617159089, 268661629731046770 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 4 of A241138 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=4 ..0..1..1..1....0..0..0..1....0..0..0..1....0..0..1..1....0..0..1..1 ..0..2..0..0....1..1..2..1....2..2..2..1....2..2..2..2....1..1..2..2 ..0..2..1..1....2..2..2..2....0..2..0..0....0..1..1..1....0..2..0..1 ..2..2..2..2....1..1..0..0....0..2..1..1....0..2..2..2....0..2..0..1 CROSSREFS Sequence in context: A295946 A176934 A126037 * A112321 A276198 A178806 Adjacent sequences:  A241132 A241133 A241134 * A241136 A241137 A241138 KEYWORD nonn AUTHOR R. H. Hardin, Apr 16 2014 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 23 10:50 EST 2020. Contains 331171 sequences. (Running on oeis4.)