A250828 Number of (n+1)X(2+1) 0..4 arrays with nondecreasing maximum of every two consecutive values in every row and column

9025, 411451, 16545428, 516786049, 14616585449, 366421422539, 8570987173563, 187132331843709, 3894306129454857, 77565963024384333, 1493626801625467730, 27916333204907848310, 509240501844949248468, 9094396598776358976230

Offset

1,1

Comments

Column 2 of A250832

Links

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

Example

Some solutions for n=1
..4..4..3....1..4..1....1..2..0....0..0..3....0..1..0....1..0..3....0..2..4
..0..1..4....4..4..3....1..2..4....3..2..4....4..1..4....4..3..4....2..4..1

Crossrefs

Sequence in context: A359845 A252456 A196994 * A031593 A031773 A128374

Adjacent sequences: A250825 A250826 A250827 * A250829 A250830 A250831

Keyword

nonn

Author

R. H. Hardin, Nov 27 2014

Status

approved