id:A085074 - OEIS Search Results

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Smallest number a(n) ==1 (mod n) such that the prime signature of n and a(n) is the same.

+0
2

3, 7, 9, 11, 55, 29, 4913, 289, 21, 23, 325, 53, 15, 46, 81, 103, 325, 191, 261, 22, 111, 47, 3625, 10201, 183, 6859, 477, 59, 1771, 311, 8587340257, 34, 35, 106, 1225, 149, 39, 118, 1161, 83, 715, 173, 45, 316, 93, 283, 60625, 9409, 801, 205, 261, 107, 11125 (list; graph; listen)

	OFFSET	`2,1`
	EXAMPLE	`a(6) =55 = 96 +1 = 115 and 6 = 23 are both of prime signature pq, where p and q are primes.`
	CROSSREFS	`Sequence in context: A018596 A046807 A114788 this_sequence A110404 A087064 A087550` `Adjacent sequences: A085071 A085072 A085073 this_sequence A085075 A085076 A085077`
	KEYWORD	`nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jul 01 2003`
	EXTENSIONS	`More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Jan 12 2005`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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