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 A198485 T(n,k)=Number of 2nX2k 0..3 arrays with values 0..3 introduced in row major order and each element equal to an even number of horizontal and vertical neighbors 4
 5, 193, 193, 10072, 333308, 10072, 528283, 579476701, 579476701, 528283, 27711478, 1007486056500, 33408897045776, 1007486056500, 27711478, 1453628917, 1751630302786777, 1926147852876420067, 1926147852876420067 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ..........5..............193...............10072..............528283 ........193...........333308...........579476701.......1007486056500 ......10072........579476701......33408897045776.1926147852876420067 .....528283....1007486056500.1926147852876420067 ...27711478.1751630302786777 .1453628917 LINKS R. H. Hardin, Table of n, a(n) for n = 1..24 EXAMPLE Some solutions for n=3 k=3 ..0..0..0..0..1..2....0..0..0..1..0..2....0..0..0..1..0..1....0..0..0..1..2..1 ..0..2..3..0..2..1....0..2..0..0..2..3....0..2..0..0..2..0....0..2..0..0..0..0 ..0..0..2..0..1..0....0..0..2..0..0..2....0..0..2..0..0..1....0..0..2..1..2..0 ..1..0..1..0..2..1....1..0..1..3..0..1....1..0..1..2..0..2....1..0..1..2..3..0 ..0..0..0..0..1..3....0..0..0..0..0..3....0..0..0..0..0..1....0..0..0..0..0..0 ..0..0..2..3..0..1....0..0..2..3..1..0....0..0..2..1..3..2....0..0..2..3..2..3 CROSSREFS Sequence in context: A015102 A086124 A211505 * A177192 A100760 A240702 Adjacent sequences:  A198482 A198483 A198484 * A198486 A198487 A198488 KEYWORD nonn,tabl AUTHOR R. H. Hardin Oct 25 2011 STATUS approved

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Last modified August 10 16:24 EDT 2022. Contains 356039 sequences. (Running on oeis4.)