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A073338 Positive values of n for which 4n^2-10n+7 is prime. 1
2, 3, 4, 9, 10, 12, 15, 18, 22, 30, 31, 36, 37, 39, 40, 46, 51, 52, 54, 57, 60, 61, 67, 72, 73, 75, 78, 79, 82, 85, 88, 96, 103, 106, 109, 117, 124, 141, 145, 148, 156, 166, 177, 180, 186, 192, 193, 199, 204, 219, 225, 228, 229, 246, 249, 264, 267, 268, 270, 277 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

n=10 is in the sequence since 4n^2-10n+7=307 is prime.

MATHEMATICA

Select[Range[300], PrimeQ[4#^2-10#+7]&]

CROSSREFS

Cf. A054554, A073337.

Sequence in context: A047339 A084368 A007498 * A200260 A190119 A066105

Adjacent sequences:  A073335 A073336 A073337 * A073339 A073340 A073341

KEYWORD

easy,nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Aug 25 2002

EXTENSIONS

Edited by Dean Hickerson (dean.hickerson(AT)yahoo.com), Aug 28 2002

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Last modified February 17 21:13 EST 2012. Contains 206085 sequences.