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A113034
Beginning with 7, primes of the form: least multiple of the previous term followed by a 9. Beginning with 7, a(n) is the least prime of the form k*a(n-1)*10 +9.
1
7, 79, 3169, 31699, 1584959, 110947139, 8875771129, 88757711299, 30177621841669, 10260391426167469, 718227399831722839, 222650493947834080099, 122457771671308744054459, 9796621733704699524356729, 6563736561582148681319008439, 3019318818327788393406743881949
OFFSET
1,1
LINKS
MATHEMATICA
lm9[n_]:=Module[{k=1}, While[!PrimeQ[10*k*n+9], k++]; 10*k*n+9]; NestList[ lm9, 7, 15] (* Harvey P. Dale, Jan 16 2015 *)
CROSSREFS
Sequence in context: A098105 A201301 A159524 * A267798 A201704 A331424
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Jan 03 2006
EXTENSIONS
More terms from Joshua Zucker, Jan 11 2006
Corrected by T. D. Noe and Don Reble, Nov 15 2006
More terms from Harvey P. Dale, Jan 16 2015
STATUS
approved