id:A153781 - OEIS Search Results

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Numbers n such that n^2+13n+23 is prime

+0
3

0, 1, 2, 3, 5, 6, 7, 8, 14, 15, 16, 19, 20, 24, 27, 28, 34, 36, 37, 40, 41, 42, 44, 45, 47, 49, 57, 59, 62, 64, 66, 68, 71, 72, 73, 78, 84, 85, 86, 90, 96, 103, 105, 106, 110, 117, 119, 122, 124, 129, 132, 133, 136, 141, 150, 154, 156, 157, 163, 168, 169, 174 (list; graph; listen)

	OFFSET	`1,3`
	FORMULA	`a(n)= n^2+13n+23`
	EXAMPLE	`For n=0, a(0)=23; n=174, a(n)=32561`
	CROSSREFS	`Cf. A144561` `Sequence in context: A062877 A068526 A039086 this_sequence A050025 A074492 A059307` `Adjacent sequences: A153778 A153779 A153780 this_sequence A153782 A153783 A153784`
	KEYWORD	`nonn`
	AUTHOR	`Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Jan 03 2009`

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

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