This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A241287 Number of 5Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4 1
 56, 139, 1615, 6783, 20717, 451318, 1543713, 8288114, 79113707, 276340333, 1878731208, 14642190232, 59010752583, 404841299508, 2875913561864, 13757588225177, 90753330244908, 606550462257317, 3111205949073436 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 5 of A241283 LINKS R. H. Hardin, Table of n, a(n) for n = 1..20 EXAMPLE Some solutions for n=3 ..3..2..3....3..2..3....3..2..3....3..2..3....3..2..3....3..2..3....3..2..3 ..0..3..2....2..1..2....2..1..2....0..3..2....2..1..2....0..3..2....2..1..2 ..0..0..2....0..2..0....0..0..0....2..0..0....2..0..2....2..2..0....0..0..3 ..2..2..0....0..0..0....0..2..0....0..0..3....0..0..0....2..0..0....2..2..2 ..2..0..2....0..0..2....2..0..2....2..2..2....0..0..2....2..2..2....0..0..0 CROSSREFS Sequence in context: A107937 A044307 A044688 * A201096 A226128 A038850 Adjacent sequences:  A241284 A241285 A241286 * A241288 A241289 A241290 KEYWORD nonn AUTHOR R. H. Hardin, Apr 18 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 October 23 07:11 EDT 2019. Contains 328336 sequences. (Running on oeis4.)