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A236902 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum plus the upper median of every 2X2 subblock equal 9
81, 339, 339, 1426, 3205, 1426, 6545, 30644, 30644, 6545, 30727, 337861, 588459, 337861, 30727, 148966, 3782769, 13845208, 13845208, 3782769, 148966, 734805, 43538228, 316943905, 715994489, 316943905, 43538228, 734805, 3679063 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

.......81..........339.............1426.................6545

......339.........3205............30644...............337861

.....1426........30644...........588459.............13845208

.....6545.......337861.........13845208............715994489

....30727......3782769........316943905..........35006442815

...148966.....43538228.......7481102325........1767780514348

...734805....504121651.....175715346236.......88420063405403

..3679063...5869125835....4145228790666.....4442899040820873

.18601074..68447883704...97710106028444...222905331146478698

.94728601.799193185177.2304635974701835.11190912028368216391

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..264

FORMULA

Empirical for column k:

k=1: [linear recurrence of order 13]

k=2: [order 22]

k=3: [order 41]

k=4: [order 86]

EXAMPLE

Some solutions for n=2 k=4

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

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

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

CROSSREFS

Sequence in context: A237474 A237868 A237861 * A236895 A237965 A238046

Adjacent sequences:  A236899 A236900 A236901 * A236903 A236904 A236905

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin, Feb 01 2014

STATUS

approved

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Last modified January 25 02:53 EST 2021. Contains 340414 sequences. (Running on oeis4.)