id:A154032 - OEIS Search Results

Search: id:A154032

Displaying 1-1 of 1 results found.

page 1

Number of planar triangular n X n X n nonnegative integer grids symmetric under 120 degree rotation with every similarly oriented 2 X 2 X 2 subtriangle summing to 3.

+0
1

1, 2, 10, 2, 3, 11, 3, 2, 12, 2, 3, 11, 3, 2, 12, 2, 3, 11, 3, 2, 12, 2, 3, 11, 3, 2, 12, 2, 3, 11, 3, 2, 12, 2, 3, 11, 3, 2, 12, 2, 3, 11, 3, 2, 12, 2, 3, 11, 3, 2, 12, 2, 3, 11, 3, 2, 12, 2, 3 (list; graph; listen)

	OFFSET	`2,2`
	COMMENT	`Pattern 2 3 11 3 2 12 starts at n=5 and continues through at least n=60.`
	EXAMPLE	`Maximal zeros solution for n=11` `............3` `...........0.0` `..........2.1.2` `.........0.1.1.0` `........2.1.1.1.2` `.......0.1.1.1.1.0` `......2.1.1.1.1.1.2` `.....0.1.1.1.1.1.1.0` `....2.1.1.1.1.1.1.1.2` `...0.1.1.1.1.1.1.1.1.0` `..3.0.2.0.2.0.2.0.2.0.3`
	CROSSREFS	`Sequence in context: A051242 A069287 A102775 this_sequence A010700 A121521 A060466` `Adjacent sequences: A154029 A154030 A154031 this_sequence A154033 A154034 A154035`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net) Jan 04 2009`

page 1

Search completed in 0.002 seconds

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research