id:A090289 - OEIS Search Results

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Smallest prime of the form 10^k - prime(n), or 0 if no such prime exists.

+0
3

0, 7, 5, 3, 89, 0, 83, 0, 977, 71, 0, 0, 59, 0, 53, 47, 41, 0, 0, 29, 0, 0, 17, 11, 3, 999999999899, 0, 999999893, 0, 887, 0, 9999999999999999999869, 863, 0, 9851, 0, 0, 0, 9833, 827, 821, 0, 809, 0, 9803, 0, 0, 0, 773, 0, 9767, 761, 0, 9749, 743 (list; graph; listen)

	OFFSET	`2,2`
	COMMENT	`If prime(n)==1 (mod 3) then a(n)=0. Subsidiary Sequence: indices of the start of n successive zeros.` `If prime(n) == 1 (mod 3) then a(n) is 0 or 3. - David Wasserman (wasserma(AT)spawar.navy.mil), Oct 27 2005`
	CROSSREFS	`Cf. A090290.` `Sequence in context: A093824 A019935 A144846 this_sequence A160670 A109863 A021574` `Adjacent sequences: A090286 A090287 A090288 this_sequence A090290 A090291 A090292`
	KEYWORD	`base,nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 29 2003`
	EXTENSIONS	`More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Oct 27 2005`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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