A238513 Number of (n+1)X(4+1) 0..3 arrays with no element equal to all horizontal neighbors or equal to all vertical neighbors, and new values 0..3 introduced in row major order

3113, 430504, 232354383, 91551538363, 38584530824835, 16025158797901442, 6676837417903850862, 2779967978428715019918, 1157640782440254067428502, 482051808011508558973140217, 200732033232989734955553186668

Offset

1,1

Comments

Column 4 of A238515

Links

R. H. Hardin, Table of n, a(n) for n = 1..49

Example

Some solutions for n=1
..0..1..0..2..3....0..1..2..0..1....0..1..2..2..3....0..1..0..1..2
..1..2..2..3..2....2..0..0..3..0....1..2..0..3..1....2..3..2..2..0

Crossrefs

Sequence in context: A230923 A137839 A343373 * A357957 A269324 A183850

Adjacent sequences: A238510 A238511 A238512 * A238514 A238515 A238516

Keyword

nonn

Author

R. H. Hardin, Feb 27 2014

Status

approved