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A236601 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays colored with the maximum plus the upper median of every 2X2 subblock 5
256, 2596, 2596, 25950, 55000, 25950, 256376, 1110784, 1110784, 256376, 2525698, 21573924, 44087440, 21573924, 2525698, 24922062, 415734304, 1595240268, 1595240268, 415734304, 24922062, 246386369, 8222889690, 59688228619 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

.........256..........2596..........25950..........256376..........2525698

........2596.........55000........1110784........21573924........415734304

.......25950.......1110784.......44087440......1595240268......59688228619

......256376......21573924.....1595240268....114361325908....8637812725732

.....2525698.....415734304....59688228619...8637812725732.1368429194765626

....24922062....8222889690..2315388775024.686154548079428

...246386369..162119665374.89774785525354

..2433171504.3173047388586

.24010605844

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..49

FORMULA

Empirical for column k:

k=1: [linear recurrence of order 20] for n>22

EXAMPLE

Some solutions for n=2 k=4

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

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

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

CROSSREFS

Sequence in context: A205174 A188842 A188705 * A236597 A235779 A235559

Adjacent sequences:  A236598 A236599 A236600 * A236602 A236603 A236604

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin, Jan 29 2014

STATUS

approved

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Last modified January 18 05:30 EST 2019. Contains 319269 sequences. (Running on oeis4.)