id:A106129 - OEIS Search Results

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Numbers n such that n-th semiprime == 4 (mod n).

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5, 37, 38, 58, 61, 70, 77, 613379, 613413, 613415, 613429, 613485, 613509, 613518, 613521, 613533, 613543, 613599 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(1)=5 is a term because 5th semiprime (i.e. 14)== 4 (mod 5).`
	CROSSREFS	`Cf. A001358.` `Sequence in context: A157809 A079339 A043075 this_sequence A096673 A144960 A071680` `Adjacent sequences: A106126 A106127 A106128 this_sequence A106130 A106131 A106132`
	KEYWORD	`hard,more,nonn`
	AUTHOR	`Shyam Sunder Gupta (guptass(AT)rediffmail.com), May 07 2005`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.