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A167739 Primes that becomes a square when prefixed with a 6. 8
241, 1009, 3001, 44809, 67489, 93889, 145441, 195121, 205081, 235009, 285049, 295081, 355441, 416089, 538249, 558721, 620329, 713281, 744409, 817321, 1199329, 1418569, 1481281, 1889689, 1952641, 2520649, 2742241, 3409369, 3504961, 3568729, 3792169, 3952009 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
Select[Prime[Range[300000]], IntegerQ[Sqrt[FromDigits[Join[{6}, IntegerDigits[ #]]]]]&] (* Harvey P. Dale, May 05 2012 *)
CROSSREFS
Sequence in context: A204355 A159806 A142452 * A119596 A046948 A220056
KEYWORD
base,nonn
AUTHOR
Claudio Meller, Nov 10 2009
EXTENSIONS
More terms from Harvey P. Dale, May 05 2012
STATUS
approved

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Last modified May 30 15:02 EDT 2024. Contains 372968 sequences. (Running on oeis4.)