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 A204630 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having unequal diagonal elements or unequal antidiagonal elements, and new values 0..2 introduced in row major order 9
 12, 96, 96, 768, 2049, 768, 6144, 43734, 43734, 6144, 49152, 933462, 2490558, 933462, 49152, 393216, 19923888, 141832254, 141832254, 19923888, 393216, 3145728, 425257068, 8077061502, 21550390395, 8077061502, 425257068, 3145728, 25165824 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts .......12...........96..............768.................6144 .......96.........2049............43734...............933462 ......768........43734..........2490558............141832254 .....6144.......933462........141832254..........21550390395 ....49152.....19923888.......8077061502........3274427479938 ...393216....425257068.....459972403614......497525810748759 ..3145728...9076721064...26194503047262....75595484720747496 .25165824.193734264456.1491724252385406.11486192649538372653 LINKS R. H. Hardin, Table of n, a(n) for n = 1..264 EXAMPLE Some solutions for n=3 k=3 ..0..0..0..1....0..0..0..0....0..0..0..1....0..0..1..2....0..1..1..0 ..2..0..1..1....0..1..0..2....2..1..0..2....2..1..1..0....1..2..1..2 ..0..0..1..2....2..0..2..2....2..0..0..2....1..1..2..0....0..1..0..1 ..2..0..0..1....0..0..1..0....1..0..1..2....2..1..2..2....2..0..0..1 CROSSREFS Sequence in context: A027250 A194782 A059154 * A192848 A229561 A341233 Adjacent sequences: A204627 A204628 A204629 * A204631 A204632 A204633 KEYWORD nonn,tabl AUTHOR R. H. Hardin Jan 17 2012 STATUS approved

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Last modified June 2 07:25 EDT 2023. Contains 363081 sequences. (Running on oeis4.)