id:A039914 - OEIS Search Results

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Smallest k such that k(p-1)-1 is divisible by p^2, p=nth prime.

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5, 5, 19, 41, 109, 155, 271, 341, 505, 811, 929, 1331, 1639, 1805, 2161, 2755, 3421, 3659, 4421, 4969, 5255, 6161, 6805, 7831, 9311, 10099, 10505, 11341, 11771, 12655, 16001, 17029, 18631, 19181, 22051, 22649, 24491, 26405, 27721, 29755, 31861 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(1)=5 because 5(2-1)-1=4 is divisible by 2^2.`
	CROSSREFS	`Cf. A039678.` `Sequence in context: A147141 A146146 A145937 this_sequence A151789 A094338 A099921` `Adjacent sequences: A039911 A039912 A039913 this_sequence A039915 A039916 A039917`
	KEYWORD	`nonn`
	AUTHOR	`Felice Russo (felice.russo(AT)katamail.com)`

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

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