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A163026
Number of n X 9 binary arrays with all 1's connected and a path of 1's from left column to lower right corner.
0
1, 2378, 1374808, 490753552, 148869588338, 42561759311020, 11872771016213506
OFFSET
1,2
CROSSREFS
Sequence in context: A165948 A183599 A226000 * A069300 A255800 A252469
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 20 2009
STATUS
approved