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A194576
T(n,k)=Number of lower triangles of an n X n 0..k array with new values introduced in row major order 0..k and no element equal to more than two horizontal or vertical neighbors
8
1, 1, 4, 1, 5, 25, 1, 5, 113, 232, 1, 5, 178, 7696, 3182, 1, 5, 193, 39317, 1429748, 65372, 1, 5, 194, 80780, 35539864, 723276072, 1988549, 1, 5, 194, 103442, 225623340, 123214409287, 996233663484, 90079152, 1, 5, 194, 109314, 625181527
OFFSET
1,3
COMMENTS
Table starts
........1................1....................1.......................1
........4................5....................5.......................5
.......25..............113..................178.....................193
......232.............7696................39317...................80780
.....3182..........1429748.............35539864...............225623340
....65372........723276072.........123214409287...........3211386454648
..1988549.....996233663484.....1633861873067053......223665935176544829
.90079152.3736289882783364.82861549363088245839.76009506543180381646618
LINKS
EXAMPLE
Some solutions for n=4 k=3
..0........0........0........0........0........0........0........0
..1.2......1.2......1.2......1.2......1.1......1.2......0.1......1.0
..0.1.2....1.3.3....0.3.0....2.0.0....1.0.2....2.2.0....0.2.1....0.2.0
..0.0.0.0..1.3.1.1..0.3.0.3..0.3.0.3..1.3.3.2..1.1.1.3..2.1.0.0..2.2.1.0
CROSSREFS
Sequence in context: A342925 A125078 A087841 * A229896 A203207 A197915
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Aug 29 2011
STATUS
approved