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A163004
Number of n X 4 binary arrays with all 1s connected and a path of 1s from upper left corner to lower right corner.
2
1, 20, 234, 2423, 24455, 245972, 2473317, 24868730, 250043151, 2514035445, 25277060955, 254144975454, 2555267942068, 25691612225457, 258313003017344, 2597174783771339, 26112958991681036, 262549379235881855
OFFSET
1,2
LINKS
CROSSREFS
Row 4 of A359573.
Sequence in context: A004315 A253010 A074334 * A278320 A061139 A061121
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 20 2009
STATUS
approved