A201097 Number of nX4 0..7 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other

70, 14, 10423, 2490, 905695, 89311, 31885648, 2647438, 656371640, 36544193, 9299512195, 511681129, 98676369362, 4102057023, 799144327565, 32799089454, 5440609981711, 190811885180, 31312173195234, 1071156563658, 156356946333786

Offset

1,1

Comments

Column 4 of A201101

Links

R. H. Hardin, Table of n, a(n) for n = 1..26

Example

Some solutions for n=4
..0..0..2..4....0..0..2..3....0..1..1..2....0..1..2..3....0..1..4..5
..1..1..2..5....1..2..3..4....0..2..3..4....0..2..3..5....0..2..4..5
..3..4..6..7....1..4..6..7....3..5..6..7....1..4..5..7....1..3..6..7
..3..5..6..7....5..5..6..7....4..5..6..7....4..6..6..7....2..3..6..7

Crossrefs

Sequence in context: A036183 A184886 A361041 * A361040 A033390 A129352

Adjacent sequences: A201094 A201095 A201096 * A201098 A201099 A201100

Keyword

nonn

Author

R. H. Hardin Nov 26 2011

Status

approved