id:A088088 - OEIS Search Results

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a(1) = 1, a(n) = smallest multiple of a(n-1) such that every partial concatenation (n >1) is a prime.

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1, 1, 3, 21, 147, 1029, 103929, 311787, 311787, 311787, 4053231, 28372617, 1447003467, 44857107477, 134571322431, 39967682762007, 5155831076298903, 3542055949417346361, 456925217474837680569, 216125627865598222909137 (list; graph; listen)

	OFFSET	`0,3`
	EXAMPLE	`11,113,11321,etc. are primes.`
	CROSSREFS	`Cf. A088089.` `Adjacent sequences: A088085 A088086 A088087 this_sequence A088089 A088090 A088091` `Sequence in context: A054419 A033888 A141492 this_sequence A037761 A037649 A037768`
	KEYWORD	`base,nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Sep 23 2003`
	EXTENSIONS	`More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Jul 14 2005`

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.

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