A163021 - OEIS

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A163021

Number of n X 4 binary arrays with all 1's connected and a path of 1's from left column to lower right corner.

1

1, 29, 416, 4776, 50720, 522982, 5323854, 53861817, 543240561, 5470511797, 55045873418, 553670627178, 5567917242290, 55987505409573, 562947468953116, 5660225918946978, 56910735678528024, 572205314886589089

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OFFSET

1,2

LINKS

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

CROSSREFS

Sequence in context: A174885 A264160 A210302 * A125464 A161572 A161972

Adjacent sequences: A163018 A163019 A163020 * A163022 A163023 A163024

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 20 2009

STATUS

approved