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A234405 T(n,k)=Number of (n+1)X(k+1) 0..6 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 12 6
432, 5646, 5646, 66806, 204320, 66806, 829594, 6467216, 6467216, 829594, 10158894, 220295536, 496111352, 220295536, 10158894, 125160846, 7430382692, 44527292660, 44527292660, 7430382692, 125160846, 1539127906, 252526817148, 3864905915306 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
......432.......5646.........66806...........829594............10158894
.....5646.....204320.......6467216........220295536..........7430382692
....66806....6467216.....496111352......44527292660.......3864905915306
...829594..220295536...44527292660...11015033292000....2640075449367340
.10158894.7430382692.3864905915306.2640075449367340.1708801212596211700
LINKS
FORMULA
Empirical for column k:
k=1: [linear recurrence of order 11]
k=2: [order 60]
EXAMPLE
Some solutions for n=1 k=4
..4..5..2..0..2....6..2..1..0..0....1..4..0..4..4....0..3..0..6..0
..0..6..0..4..6....0..1..6..2..6....0..6..3..6..0....0..6..3..6..4
CROSSREFS
Sequence in context: A174717 A235418 A235422 * A234400 A236279 A223595
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Dec 25 2013
STATUS
approved

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Last modified May 24 04:16 EDT 2024. Contains 372772 sequences. (Running on oeis4.)