id:A111437 - OEIS Search Results

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Least multiple of n such that every partial concatenation followed by a 3 is prime.

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1, 6, 6, 36, 30, 60, 105, 120, 207, 40, 33, 24, 104, 1246, 285, 192, 476, 450, 228, 100, 294, 660, 483, 2232, 3275, 3120, 2025, 1876, 2204, 1590, 4557, 2560, 2574, 680, 6160, 432, 444, 5814, 7371, 2520, 1230, 2772, 6536, 103708, 4815, 1886, 11374, 1392, 5390 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`13,163,1663,166363,... etc. are all prime.`
	CROSSREFS	`Sequence in context: A140959 A015699 A165827 this_sequence A056464 A056454 A056452` `Adjacent sequences: A111434 A111435 A111436 this_sequence A111438 A111439 A111440`
	KEYWORD	`base,nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 03 2005`
	EXTENSIONS	`More terms from David Wasserman (dwasserm(AT)earthlink.net), Jan 09 2009`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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