id:A156393 - OEIS Search Results

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Number of 7X7 arrays of squares of integers, symmetric about the diagonal and under 90 degree rotation, with all rows summing to n.

+0
1

1, 0, 0, 0, 4, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 14, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 5, 13, 0, 0, 0, 42, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 4, 18, 0, 0, 0, 0, 0, 0, 6, 6, 0, 0, 0 (list; graph; listen)

	OFFSET	`0,5`
	EXAMPLE	`All solutions for n=4` `...0.1.1.0.1.1.0...0.1.1.0.1.1.0...1.0.1.0.1.0.1...1.1.0.0.0.1.1` `...1.0.1.0.1.0.1...1.1.0.0.0.1.1...0.1.1.0.1.1.0...1.0.1.0.1.0.1` `...1.1.0.0.0.1.1...1.0.1.0.1.0.1...1.1.0.0.0.1.1...0.1.1.0.1.1.0` `...0.0.0.4.0.0.0...0.0.0.4.0.0.0...0.0.0.4.0.0.0...0.0.0.4.0.0.0` `...1.1.0.0.0.1.1...1.0.1.0.1.0.1...1.1.0.0.0.1.1...0.1.1.0.1.1.0` `...1.0.1.0.1.0.1...1.1.0.0.0.1.1...0.1.1.0.1.1.0...1.0.1.0.1.0.1` `...0.1.1.0.1.1.0...0.1.1.0.1.1.0...1.0.1.0.1.0.1...1.1.0.0.0.1.1`
	CROSSREFS	`Sequence in context: A099306 A101193 A013334 this_sequence A096623 A152889 A151905` `Adjacent sequences: A156390 A156391 A156392 this_sequence A156394 A156395 A156396`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net) Feb 09 2009`

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

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