id:A140096 - OEIS Search Results

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A000045(n)-A113405(n).Each sequence is identical to its inverse (*) binomial transform signed. b(n)=a(n+1)-2a(n)= 1, -1, -1, -1, -1, -1, -3, -5, -9, -13, -21, -33, -55 .. . -b(n+2)= 1, 1, 1, 1, 3, 5, 9, 13, 21, 33, 55, 89 = Jun 17 2008 A000045(n)+A131531(n+2);see A140413.

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0, 1, 1, 1, 1, 1, 1, -1, -7, -23, -59, -139, -311, -677 (list; graph; listen)

	OFFSET	`0,9`
	COMMENT	`(*) Add inverse in A140428.`
	FORMULA	`Sequence identical to its inverse binomial transform signed? a(n) and its differences (principal diagonal = 0's): 0, 1, 1, 1, 1, 1, 1; 1, 0, 0, 0, 0, 0, -2; -1, 0, 0, 0, 0, -2, -4; 1, 0, 0, 0, -2, -2, -6; -1, 0, 0, -2, 0, -4 -4; 1, 0, -2, 2, -4, 0, -10; -1, -2, 4, -6, 4, -10, 0;`
	CROSSREFS	`Sequence in context: A058195 A037165 A126284 this_sequence A096345 A077037 A104149` `Adjacent sequences: A140093 A140094 A140095 this_sequence A140097 A140098 A140099`
	KEYWORD	`sign,uned`
	AUTHOR	`Paul Curtz (bpcrtz(AT)free.fr), Jun 21 2008`

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Last modified December 3 14:12 EST 2008. Contains 151279 sequences.

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