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A251616 T(n,k)=Number of (n+1)X(k+1) 0..6 arrays with every 2X2 subblock summing to a prime 6
826, 14008, 14008, 237566, 583034, 237566, 4031056, 24317054, 24317054, 4031056, 68377410, 1016045742, 2500893370, 1016045742, 68377410, 1160228856, 42444702494, 258178221074, 258178221074, 42444702494, 1160228856 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
......826.......14008.........237566...........4031056.............68377410
....14008......583034.......24317054........1016045742..........42444702494
...237566....24317054.....2500893370......258178221074.......26647436069688
..4031056..1016045742...258178221074....66013702120168....16881361773387422
.68377410.42444702494.26647436069688.16881361773387422.10697442429286457200
LINKS
FORMULA
Empirical for column k:
k=1: [linear recurrence of order 10]
k=2: [order 49]
EXAMPLE
Some solutions for n=1 k=4
..0..0..3..4..2....0..0..5..6..5....0..0..3..5..5....0..0..1..5..4
..0..3..5..1..0....1..6..0..2..4....0..3..5..6..1....5..0..2..3..1
CROSSREFS
Sequence in context: A236793 A051989 A237062 * A251611 A104375 A066946
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Dec 05 2014
STATUS
approved

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Last modified March 29 06:34 EDT 2024. Contains 371265 sequences. (Running on oeis4.)