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A206512 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the number of clockwise edge increases in 2X2 subblocks nondecreasing rightwards and downwards 9
81, 549, 549, 3399, 7737, 3399, 19797, 93405, 93405, 19797, 111495, 1020756, 2105607, 1020756, 111495, 614367, 10505604, 41873838, 41873838, 10505604, 614367, 3337695, 103812645, 769739571, 1483188648, 769739571, 103812645 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

.......81........549..........3399............19797.............111495

......549.......7737.........93405..........1020756...........10505604

.....3399......93405.......2105607.........41873838..........769739571

....19797....1020756......41873838.......1483188648........47830788954

...111495...10505604.....769739571......47830788954......2671430859687

...614367..103812645...13397007426....1444445274765....138401623325535

..3337695..997160112..224125465767...41561685861258...6781274991216915

.17958813.9383642739.3639506017737.1152430341911256.318257080720663863

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..112

EXAMPLE

Some solutions for n=4 k=3

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

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

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

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

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

CROSSREFS

Sequence in context: A235560 A253468 A253462 * A235833 A235588 A206505

Adjacent sequences:  A206509 A206510 A206511 * A206513 A206514 A206515

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Feb 08 2012

STATUS

approved

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Last modified September 25 09:26 EDT 2020. Contains 337335 sequences. (Running on oeis4.)