This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A239043 Number of nX4 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of elements above it, modulo 4 1
 38, 1187, 34344, 996325, 28827920, 831472462, 23966393838, 690533224800, 19889264165241, 572800898558670, 16495673342248420, 475029183687749411, 13679240504824830042, 393913243384994226842, 11343249595637879111211 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 4 of A239047 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=3 ..2..0..0..2....3..2..3..0....2..2..2..0....2..0..2..0....0..0..2..2 ..0..3..2..0....3..2..1..2....2..2..0..0....0..0..0..3....0..0..2..0 ..0..3..1..0....0..0..2..1....0..3..2..3....2..0..2..2....0..2..0..0 CROSSREFS Sequence in context: A255496 A098612 A268739 * A137030 A027657 A268885 Adjacent sequences:  A239040 A239041 A239042 * A239044 A239045 A239046 KEYWORD nonn AUTHOR R. H. Hardin, Mar 09 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 22 03:04 EDT 2019. Contains 328315 sequences. (Running on oeis4.)