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.

1, 20, 234, 2423, 24455, 245972, 2473317, 24868730, 250043151, 2514035445, 25277060955, 254144975454, 2555267942068, 25691612225457, 258313003017344, 2597174783771339, 26112958991681036, 262549379235881855

Offset: 1

Author

R. H. Hardin, Jul 20 2009

Keywords

• nonn

Links

• R. H. Hardin, Table of n, a(n) for n=1..44

Crossrefs

Row 4 of A359573.