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A206255 T(n,k) = Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock having zero permanent. 9
49, 361, 361, 1600, 8029, 1600, 9409, 99856, 99856, 9409, 47089, 1718209, 1364224, 1718209, 47089, 258064, 26512201, 49336576, 49336576, 26512201, 258064, 1343281, 434613664, 944701696, 4556324929, 944701696, 434613664, 1343281, 7198489 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

......49..........361...........1600..............9409................47089

.....361.........8029..........99856...........1718209.............26512201

....1600........99856........1364224..........49336576............944701696

....9409......1718209.......49336576........4556324929.........226637884225

...47089.....26512201......944701696......226637884225.......14139111560401

..258064....434613664....27285753856....16533087493120.....2261195747329024

.1343281...6990799321...603269103616..1006239668280961...186370092021300625

.7198489.113636628469.15860529270784.68438717405988481.24455901146017548025

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..611

FORMULA

Column 1 is A006130(n+2)^2.

EXAMPLE

Some solutions for n=4 k=3

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

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

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

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

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

CROSSREFS

Sequence in context: A036323 A066429 A269327 * A017606 A206248 A100690

Adjacent sequences:  A206252 A206253 A206254 * A206256 A206257 A206258

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin, Feb 05 2012

STATUS

approved

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Last modified March 3 03:03 EST 2021. Contains 341756 sequences. (Running on oeis4.)