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A189972
Number of 3:4:5 proportioned triangles on a (n+1)X(n+1) grid
1
0, 0, 0, 16, 48, 96, 192, 344, 544, 816, 1200, 1696, 2304, 3080, 4040, 5192, 6568, 8216, 10136, 12384, 14984, 17960, 21344, 25216, 29584, 34472, 39936, 46064, 52840, 60320, 68560, 77664, 87616, 98472, 110288, 123208, 137192, 152296, 168608, 186280
OFFSET
1,4
COMMENTS
Diagonal of A189973
LINKS
EXAMPLE
Some solutions for n=5
..5..5....5..0....4..4....0..0....5..4....0..4....1..2....1..5....3..5....1..1
..2..5....1..0....0..4....0..4....1..4....0..0....1..5....1..2....0..5....1..5
..5..1....5..3....4..1....3..0....5..1....3..4....5..2....5..5....3..1....4..1
CROSSREFS
Sequence in context: A050428 A134605 A035008 * A023648 A098322 A175164
KEYWORD
nonn
AUTHOR
R. H. Hardin May 03 2011
STATUS
approved