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A113033 Beginning with 7, primes of the form: least multiple of the previous term followed by a 3. Beginning with 7, a(n) is the least prime of the form k*a(n-1)*10 +3. 0
7, 73, 733, 7333, 513313, 35931913, 1796595653, 35931913063, 3952510436933, 513826356801293, 143871379904362043, 1438713799043620433, 14387137990436204333, 2014199318661068606623 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
After 73 the next term is 733 = 73*10 + 3.
MATHEMATICA
plm3[n_]:=Module[{k=1}, While[!PrimeQ[10k*n+3], k++]; 10k*n+3]; NestList[ plm3, 7, 15] (* Harvey P. Dale, Apr 04 2019 *)
CROSSREFS
Sequence in context: A025592 A009142 A155614 * A093675 A121127 A071060
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Jan 03 2006
EXTENSIONS
More terms from Joshua Zucker, Jan 11 2006
STATUS
approved

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Last modified March 19 01:34 EDT 2024. Contains 370952 sequences. (Running on oeis4.)