A163023 Number of n X 6 binary arrays with all 1s connected and a path of 1s from left column to lower right corner.

1, 169, 10633, 482895, 19654292, 769984742, 29719343543, 1139521902345, 43552411625027, 1661867475594651, 63360382232456698, 2414636239595843671, 92000189209683415750, 3504900251331098059993, 133517061491559036698534, 5086095846743506966964792, 193742741750166681534651747

Offset

1,2

Links

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

Crossrefs

Row 6 of A391489.

Sequence in context: A012170 A264269 A264087 * A052066 A264276 A231769

Adjacent sequences: A163020 A163021 A163022 * A163024 A163025 A163026

Keyword

nonn

Author

R. H. Hardin, Jul 20 2009

Extensions

a(12) onward from Andrew Howroyd, Dec 22 2025

Status

approved