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A200986 Number of nX4 0..4 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other 1
5, 79, 537, 1225, 1095, 15023, 95845, 268375, 325061, 168262, 1743684, 7499861, 15130265, 14517651, 5800482, 49981930, 178151444, 307672792, 257468817, 87287958, 681245186, 2178690191, 3396865595, 2581813804, 796596745 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A200990

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..52

EXAMPLE

Some solutions for n=3

..0..1..1..3....0..1..2..3....0..1..2..3....0..1..2..3....0..1..1..2

..0..2..2..3....0..1..2..3....0..1..2..4....0..1..2..3....0..1..3..3

..0..2..4..4....3..4..4..4....0..3..4..4....0..4..4..4....2..4..4..4

CROSSREFS

Sequence in context: A106939 A142114 A023148 * A197893 A198010 A197747

Adjacent sequences:  A200983 A200984 A200985 * A200987 A200988 A200989

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 25 2011

STATUS

approved

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Last modified October 18 11:19 EDT 2021. Contains 348067 sequences. (Running on oeis4.)