id:A154084 - OEIS Search Results

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Number of planar triangular n X n X n nonnegative integer grids with mirror symmetry about one altitude with every similarly oriented 5 X 5 X 5 subtriangle summing to 11.

+0
1

4356, 22042, 45272, 88706, 98900, 136385, 149064, 106717, 64675, 36589, 21463, 11783, 8185, 7433, 7667, 7302, 7821, 7260, 6960, 7260, 7620, 7892, 6960, 7260, 6960, 7260, 8148, 7260, 6960, 7260, 6960, 7892, 7620, 7260, 6960, 7260, 7812, 7260, 7620 (list; graph; listen)

	OFFSET	`5,1`
	CROSSREFS	`Sequence in context: A145916 A048900 A068292 this_sequence A031654 A164517 A125825` `Adjacent sequences: A154081 A154082 A154083 this_sequence A154085 A154086 A154087`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net) Jan 04 2009`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research