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A208258
T(n,k)=Number of nXk 0..2 arrays with new values 0..2 introduced in row major order and no element equal to more than one of its immediate leftward or upward neighbors
7
1, 2, 2, 5, 12, 5, 14, 96, 96, 14, 41, 768, 2040, 768, 41, 122, 6144, 43344, 43344, 6144, 122, 365, 49152, 920928, 2445264, 920928, 49152, 365, 1094, 393216, 19566912, 137947632, 137947632, 19566912, 393216, 1094, 3281, 3145728, 415737216
OFFSET
1,2
COMMENTS
Table starts
....1.......2..........5.............14................41...................122
....2......12.........96............768..............6144.................49152
....5......96.......2040..........43344............920928..............19566912
...14.....768......43344........2445264.........137947632............7782199824
...41....6144.....920928......137947632.......20662697664.........3094987890864
..122...49152...19566912.....7782199824.....3094987890864......1230875651548608
..365..393216..415737216...439026252912...463586569433280....489518751475118880
.1094.3145728.8833148160.24767296501776.69438884409258336.194681408759751734640
LINKS
EXAMPLE
Some solutions for n=4 k=3
..0..0..0....0..1..0....0..0..0....0..1..2....0..0..1....0..0..1....0..0..1
..1..1..1....2..1..2....0..1..2....1..2..1....2..0..2....0..1..2....2..0..2
..1..0..0....2..1..1....2..2..1....0..1..2....1..0..2....1..2..0....2..0..2
..1..2..2....0..1..2....2..1..2....2..1..2....1..2..1....0..0..1....2..0..1
CROSSREFS
Column 1 is A007051(n-1)
Column 2 is A204623(n-1)
Sequence in context: A077182 A230090 A286465 * A208872 A208581 A233357
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 24 2012
STATUS
approved