A162169 - OEIS

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A162169

Signed version of Pascals triangle.

1, -1, 1, -1, 0, 1, 1, 0, -3, 1, 1, 0, -6, 0, 1, -1, 0, 10, 0, -5, 1, -1, 0, 15, 0, -15, 0, 1, 1, 0, -21, 0, 35, 0, -7, 1, 1, 0, -28, 0, 70, 0, -28, 0, 1, -1, 0, 36, 0, -126, 0, 84, 0, -9, 1, -1, 0, 45, 0, -210, 0, 210, 0, -45, 0, 1, 1, 0, -55, 0, 330, 0, -462, 0, 165, 0, -11, 1, 1, 0, -66, 0 (list; table; graph; refs; listen; history; internal format)

	OFFSET	`1,9`
	COMMENTS	`Related to A000111 via its matrix inverse A162170.`
	EXAMPLE	`Table begins:` `.1` `-1...1` `-1...0...1` `.1...0..-3...1` `.1...0..-6...0...1` `-1...0..10...0..-5...1` `-1...0..15...0.-15...0...1`
	PROG	`(Other) (Excel cell formula) =if(or(mod(row()-column(); 4)=1; mod(row()-column(); 4)=2); -1; 1)if(row()>=column(); combin(row()-1; column()-1); 0)if(and(row()>column(); mod(column(); 2)=0); 0; 1)`
	CROSSREFS	`Cf. A007318, A162170.` `Sequence in context: A130115 A191582 A130160 * A124801 A124926 A175946` `Adjacent sequences: A162166 A162167 A162168 * A162170 A162171 A162172`
	KEYWORD	`sign,tabl`
	AUTHOR	`Mats Granvik (mats.granvik(AT)abo.fi), Jun 27 2009`

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Last modified February 16 10:53 EST 2012. Contains 205904 sequences.