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A237142 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the maximum plus the upper median of every 2X2 subblock equal 9
256, 1500, 1500, 8414, 22960, 8414, 52484, 333446, 333446, 52484, 328768, 5961802, 9999802, 5961802, 328768, 2145192, 107652788, 436271890, 436271890, 107652788, 2145192, 14152560, 2051159992, 17759803582, 50384979024, 17759803582 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
......256........1500...........8414.............52484...............328768
.....1500.......22960.........333446...........5961802............107652788
.....8414......333446........9999802.........436271890..........17759803582
....52484.....5961802......436271890.......50384979024........5202836871398
...328768...107652788....17759803582.....5202836871398.....1265341553110578
..2145192..2051159992...786068103136...584749165564886...343189152916040638
.14152560.39515565068.34365943860434.64333155899089090.89542359784737823891
LINKS
FORMULA
Empirical for column k:
k=1: [linear recurrence of order 22]
k=2: [order 44]
k=3: [order 93]
EXAMPLE
Some solutions for n=2 k=4
..0..0..2..1..2....0..0..2..1..2....0..0..3..0..3....0..0..2..2..0
..2..1..0..1..1....2..2..2..2..2....3..2..2..2..2....2..3..2..3..1
..1..0..2..0..2....0..2..0..0..0....1..0..3..2..3....1..2..0..0..2
CROSSREFS
Sequence in context: A333606 A237974 A237967 * A237135 A197709 A198073
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Feb 04 2014
STATUS
approved

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Last modified April 22 21:44 EDT 2024. Contains 371906 sequences. (Running on oeis4.)