id:A101791 - OEIS Search Results

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4n-1 such that 4n-1, 8n-1 and 16n-1 are primes.

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11, 179, 359, 719, 1019, 1031, 1451, 1511, 1811, 1931, 2459, 2699, 2819, 3491, 3539, 3911, 5399, 6131, 7079, 7151, 10691, 11171, 11471, 12119, 12899, 12959, 16811, 17159, 18191, 19319, 19991, 20411, 21011, 21179, 22271, 23099, 23819 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`43-1=11, 83-1=23 and 16*3-1=47 are primes, so the first entry is 11.`
	CROSSREFS	`Cf. A002515, A101790, A101792, A101793.` `Sequence in context: A027398 A081740 A051687 this_sequence A140034 A131638 A106907` `Adjacent sequences: A101788 A101789 A101790 this_sequence A101792 A101793 A101794`
	KEYWORD	`easy,nonn`
	AUTHOR	`Douglas Stones (dssto1(AT)student.monash.edu.au), Dec 16 2004`

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Last modified November 30 22:12 EST 2008. Contains 150989 sequences.

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