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A113055
Beginning with 5, primes of the form: least multiple of the previous term followed by a 9. Beginning with 5, a(n) is the least prime of the form k*a(n-1)*10 +9.
1
5, 59, 599, 29959, 6890579, 551246329, 27562316459, 551246329189, 104736802545919, 1047368025459199, 73315761782143939, 2932630471285757569, 1114399579088587876229, 22287991581771757524589
OFFSET
1,1
LINKS
MATHEMATICA
lp[n_]:=Module[{k=1}, While[!PrimeQ[10*k*n+9], k++]; 10*k*n+9]; NestList[ lp, 5, 15] (* Harvey P. Dale, Feb 01 2015 *)
CROSSREFS
Sequence in context: A036947 A099151 A243219 * A020468 A093946 A249519
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Jan 03 2006
EXTENSIONS
More terms from Joshua Zucker, Jan 11 2006
STATUS
approved