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A181212 T(n,k)=Number of nXk binary matrices with no two 1's adjacent diagonally or antidiagonally 7
2, 4, 4, 8, 9, 8, 16, 25, 25, 16, 32, 64, 119, 64, 32, 64, 169, 484, 484, 169, 64, 128, 441, 2117, 2704, 2117, 441, 128, 256, 1156, 9025, 17424, 17424, 9025, 1156, 256, 512, 3025, 38936, 104976, 177073, 104976, 38936, 3025, 512, 1024, 7921, 167281, 652864 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

....2.....4.......8........16..........32...........64............128

....4.....9......25........64.........169..........441...........1156

....8....25.....119.......484........2117.........9025..........38936

...16....64.....484......2704.......17424.......104976.........652864

...32...169....2117.....17424......177073......1630729.......15786848

...64...441....9025....104976.....1630729.....21836929......315701824

..128..1156...38936....652864....15786848....315701824.....6985036032

..256..3025..167281...4000000...149352841...4388400025...146719641600

..512..7921..720083..24681024..1429585373..62249751001..3168621039616

.1024.20736.3097600.151782400.13610488896.873880953856.67463750631424

LINKS

R. H. Hardin, Table of n, a(n) for n=1..839

CROSSREFS

Diagonal is A067965

Sequence in context: A107848 A285273 A188824 * A233394 A029599 A213064

Adjacent sequences:  A181209 A181210 A181211 * A181213 A181214 A181215

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Oct 10 2010

STATUS

approved

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Last modified January 16 19:48 EST 2022. Contains 350376 sequences. (Running on oeis4.)