id:A103416 - OEIS Search Results

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a(n) = n - ceiling( sqrt (prime(n)) ).

+0
2

-1, 0, 0, 1, 1, 2, 2, 3, 4, 4, 5, 5, 6, 7, 8, 8, 9, 10, 10, 11, 12, 13, 13, 14, 15, 15, 16, 17, 18, 19, 19, 20, 21, 22, 22, 23, 24, 25, 26, 26, 27, 28, 29, 30, 30, 31, 32, 33, 33, 34, 35, 36, 37, 38, 38, 39, 40, 41, 42, 43, 44, 44, 45, 46, 47, 48, 48, 49, 50, 51, 52, 53, 53, 54, 55 (list; graph; listen)

	OFFSET	`0,6`
	MATHEMATICA	`Table[n - Ceiling[ Sqrt[ Prime[ n]]], {n, 75}] (from Robert G. Wilson v Mar 24 2005)`
	CROSSREFS	`Adjacent sequences: A103413 A103414 A103415 this_sequence A103417 A103418 A103419` `Sequence in context: A019446 A097369 A096607 this_sequence A029091 A065361 A089792`
	KEYWORD	`sign`
	AUTHOR	`Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Mar 21 2005`
	EXTENSIONS	`More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), Mar 24 2005`

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Last modified October 6 12:54 EDT 2008. Contains 144667 sequences.

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