id:A090924 - OEIS Search Results

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Least nonzero number having the same number of digits as n which when added to n yields a prime.

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1, 1, 2, 1, 2, 1, 4, 3, 2, 13, 12, 11, 10, 15, 14, 13, 12, 11, 10, 11, 10, 15, 14, 13, 12, 11, 10, 13, 12, 11, 10, 11, 10, 13, 12, 11, 10, 15, 14, 13, 12, 11, 10, 15, 14, 13, 12, 11, 10, 11, 10, 15, 14, 13, 12, 11, 10, 13, 12, 11, 10, 11, 10, 15, 14, 13, 12, 11, 10, 13, 12, 11 (list; graph; listen)

	OFFSET	`1,3`
	EXAMPLE	`a(29) = 12 and not 8 though 29+8 =37 is also a prime.` `a(124) = 103 as 103 is the least three digit number such that 124 +103 = 227 is prime.`
	CROSSREFS	`Sequence in context: A098372 A138567 A103530 this_sequence A160595 A105778 A088931` `Adjacent sequences: A090921 A090922 A090923 this_sequence A090925 A090926 A090927`
	KEYWORD	`base,easy,nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Dec 21 2003`
	EXTENSIONS	`More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Feb 15 2006`

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.

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