A155750 -id:A155750

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A110854

A155750(n)-A155067(n) = prime(2n+2)-prime(2n+1)-prime(2n)+prime(2n-1).

+20
3

1, 0, 0, 4, 0, -4, 4, -4, 2, 2, 0, -2, 0, 0, 0, -2, 0, 4, 0, -4, 0, 0, 10, -10, 4, 4, -4, -4, 2, 6, -6, 0, 2, -4, 4, 0, -2, 4, 0, -6, 0, 2, 4, -6, 10, -8, 0, 8, 6, -8, -4, 0, 0, -4, 4, -4, 8, -6, 2, 6, -6, 4, 0, -4, -2, 2, 2, 6, -2, -2, -6, 6, -6, 0, 0, 0, 0, 6, -6, 2, -2, 2, 0, -2, -2, 0, 8, 0 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,4`
	COMMENTS	`Do the absolute values cover A004275?`
	LINKS	`Harvey P. Dale, Table of n, a(n) for n = 1..1000`
	MATHEMATICA	`#[[4]]-#[[3]]-#[[2]]+#[[1]]&/@Partition[Prime[Range[200]], 4, 2] (* Harvey P. Dale, Oct 11 2020 *)`
	KEYWORD	`sign,easy`
	AUTHOR	`Paul Curtz, Aug 25 2008`
	EXTENSIONS	`Edited by R. J. Mathar, Feb 27 2009`
	STATUS	`approved`

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Last modified August 30 04:38 EDT 2024. Contains 375526 sequences. (Running on oeis4.)