A163019 Number of n X 10 binary arrays with all 1s connected and a path of 1s from top row to lower right corner.

10, 9789, 8655795, 5470511797, 3075364827905, 1661867475594651, 884134510006217315, 467047883451434712782, 245874486287580368848136, 129219019265088217493923647, 67853098421221623762145166099, 35614535937490423660613081993839, 18689237800418086968653380690823547

Offset

1,1

Links

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

Crossrefs

Column 10 of A391489.

Sequence in context: A125544 A137641 A137642 * A013746 A076782 A213653

Adjacent sequences: A163016 A163017 A163018 * A163020 A163021 A163022

Keyword

nonn

Author

R. H. Hardin, Jul 20 2009

Extensions

a(7) onward from Andrew Howroyd, Dec 21 2025

Status

approved