A153553 - OEIS

This site is supported by donations to The OEIS Foundation.

A153553

Number of planar n X n X n binary triangular grids with no more than 4 ones in any similarly oriented 3 X 3 X 3 subtriangle.

1, 2, 8, 57, 781, 20279, 989864, 91377864, 15933677137, 5246093512391, 3262374894683471, 3831614279502257675, 8499107956072261758908, 35605260751502551680547117, 281710507240517708494081629167 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	CROSSREFS	`Sequence in context: A027335 A133686 A153525 * A191481 A007347 A185898` `Adjacent sequences: A153550 A153551 A153552 * A153554 A153555 A153556`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net) Jan 01 2009`

Content is available under The OEIS End-User License Agreement .

Last modified February 17 11:46 EST 2012. Contains 206011 sequences.