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A064979 n*10^5-1, n*10^5-3, n*10^5-7 and n*10^5-9 are all prime. 0
7190, 7256, 7991, 15398, 16406, 20549, 21011, 24368, 51794, 68426, 71762, 73574, 77792, 80939, 84995, 98291, 102488, 112250, 139595, 160193, 163931, 164081, 164981, 167360, 167585, 170168, 193040, 220676, 226136, 227942, 245624, 246383 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
Select[ Range[3 10^5], PrimeQ[10^5# - 1] && PrimeQ[10^5# - 3] && PrimeQ[10^5# - 7] && PrimeQ[10^5# - 9] &]
CROSSREFS
Sequence in context: A028541 A159223 A143193 * A348807 A204480 A035906
KEYWORD
easy,nonn
AUTHOR
Robert G. Wilson v, Oct 30 2001
STATUS
approved

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Last modified July 22 00:58 EDT 2024. Contains 374478 sequences. (Running on oeis4.)