id:A163884 - OEIS Search Results

Search: id:A163884

Displaying 1-1 of 1 results found.

page 1

Number of nXnXn triangular binary arrays with all 1s connected, no 1 having more than 4 1s adjacent, and a path of 1s from peak vertex to anywhere on the bottom side

+0
1

1, 3, 17, 158, 2798, 95400, 6205642, 775567476, 186046719370 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`All solutions for n=3` `....1......1......1......1......1......1......1......1......1......1......1..` `...1.0....1.1....1.0....1.1....1.0....1.1....1.0....1.1....1.0....1.1....1.1.` `..0.1.0..0.1.0..1.1.0..1.1.0..0.1.1..0.1.1..1.1.1..1.1.1..1.0.0..1.0.0..1.0.1` `------` `....1......1......1......1......1......1..` `...0.1....0.1....0.1....0.1....0.1....1.1.` `..0.1.0..1.1.0..0.1.1..1.1.1..0.0.1..0.0.1`
	CROSSREFS	`Sequence in context: A001469 A110501 A066211 this_sequence A052143 A069856 A015083` `Adjacent sequences: A163881 A163882 A163883 this_sequence A163885 A163886 A163887`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net) Aug 06 2009`

page 1

Search completed in 0.002 seconds

Last modified November 25 14:49 EST 2009. Contains 167514 sequences.

AT&T Labs Research