A251171 Number of (n+1)X(4+1) 0..3 arrays with no 2X2 subblock having the minimum of its diagonal elements less than the absolute difference of its antidiagonal elements

100462, 17822017, 3387331664, 648299061766, 124211482822101, 23810611569424562, 4564338162026063711, 874976613125754162367, 167731165638773364886922, 32153762102058112167343144

Offset

1,1

Comments

Column 4 of A251175

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Sequence in context: A120218 A365375 A235901 * A126166 A323754 A251042

Adjacent sequences: A251168 A251169 A251170 * A251172 A251173 A251174

Keyword

nonn

Author

R. H. Hardin, Nov 30 2014

Status

approved