A163040 Number of n X 5 binary arrays with all 1s connected and a path of 1s from left column to right column.

1, 99, 3692, 94280, 2075271, 42972329, 866126030, 17234589848, 340759985173, 6715679348165, 132133640829902, 2597584688864178, 51043234543210529, 1002791241847545847, 19698523732748736840, 386929326073777902750, 7600054817584231361621, 149277792786859197467919

Offset

1,2

Links

Andrew Howroyd, Table of n, a(n) for n = 1..200

Crossrefs

Row 5 of A359574.

Sequence in context: A221330 A246247 A157370 * A133319 A196745 A196903

Adjacent sequences: A163037 A163038 A163039 * A163041 A163042 A163043

Keyword

nonn

Author

R. H. Hardin, Jul 20 2009

Extensions

Terms a(14) and beyond from Andrew Howroyd, Jan 06 2023

Status

approved