A205181 - OEIS

A205181

T(n,k) = Number of (n+1) X (k+1) 0..3 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards.

256, 2504, 2504, 23244, 61320, 23244, 177050, 1373400, 1373400, 177050, 1284356, 24657580, 73775908, 24657580, 1284356, 8458978, 431119786, 2902004018, 2902004018, 431119786, 8458978, 53679123, 6934715463, 109885347688

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OFFSET

1,1

COMMENTS

Table starts

.......256..........2504............23244.............177050............1284356

......2504.........61320..........1373400...........24657580..........431119786

.....23244.......1373400.........73775908.........2902004018.......109885347688

....177050......24657580.......2902004018.......249458849992.....20824074630163

...1284356.....431119786.....109885347688.....20824074630163...3735895473961770

...8458978....6934715463....3518676186849...1450722933612883.542569301045830422

..53679123..111837040063..109442756670711.101000321566625809

.323510768.1771131367142.3115212983893648

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..60

EXAMPLE

Some solutions for n=4 k=3

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

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

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

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

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

CROSSREFS

Sequence in context: A236037 A251120 A251114 * A205277 A205174 A188842

Adjacent sequences: A205178 A205179 A205180 * A205182 A205183 A205184

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin, Jan 22 2012

STATUS

approved