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A262819 T(n,k)=Number of (n+3)X(k+3) 0..1 arrays with each row divisible by 9 and column not divisible by 9, read as a binary number with top and left being the most significant bits. 6
0, 0, 0, 2744, 0, 0, 21610, 21952, 0, 0, 234096, 323944, 175616, 0, 0, 3103450, 6854952, 4816416, 1442897, 0, 0, 43563108, 178305048, 199142208, 77077352, 11697083, 0, 0, 617554352, 4999029536, 10266462240, 6302057614, 1189915948, 94196375, 0, 0 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,4
COMMENTS
Table starts
.0.0......2744.......21610.......234096......3103450.....43563108
.0.0.....21952......323944......6854952....178305048...4999029536
.0.0....175616.....4816416....199142208..10266462240.573389614080
.0.0...1442897....77077352...6302057614.635153297526
.0.0..11697083..1189915948.190675572814
.0.0..94196375.18025774598
.0.0.753571000
.0.0
.0
LINKS
FORMULA
Empirical for column k:
k=3: [linear recurrence of order 17]
EXAMPLE
Some solutions for n=3 k=4
..0..1..1..0..1..1..0....0..0..1..1..0..1..1....0..0..0..0..0..0..0
..1..1..1..1..1..1..0....0..1..0..0..1..0..0....0..1..1..1..1..1..1
..1..0..1..0..0..0..1....1..0..1..1..0..1..0....0..0..1..0..0..1..0
..0..0..0..1..0..0..1....0..0..0..0..0..0..0....0..0..1..0..0..1..0
..0..0..1..1..0..1..1....1..0..1..0..0..0..1....1..0..0..1..0..0..0
..0..0..0..1..0..0..1....1..0..1..1..0..1..0....1..0..1..1..0..1..0
CROSSREFS
Sequence in context: A035774 A107570 A237680 * A094497 A202460 A262820
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Oct 03 2015
STATUS
approved

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Last modified March 28 10:31 EDT 2024. Contains 371240 sequences. (Running on oeis4.)