OFFSET
1,1
COMMENTS
The Magma Calculator (http://magma.maths.usyd.edu.au/calc/) verified each of the 100 terms in the table as prime. - Jon E. Schoenfield, Aug 24 2009
Can this sequence be proved to be infinite, a sort of Dirichlet's Theorem in reverse? - Charles R Greathouse IV, Jul 23 2011
LINKS
T. D. Noe, Table of n, a(n) for n = 1..100 (probable primes)
EXAMPLE
a(6) = 12345623 is the smallest prime beginning with the string 123456.
MATHEMATICA
sp[n_]:=Module[{m=1, np}, np=NextPrime[n*10^m]; While[Floor[np/10^m] != n, m++; np=NextPrime[n*10^m]]; np]; sp/@Table[FromDigits[ Flatten[ IntegerDigits/@ Range[x]]], {x, 20}] (* Harvey P. Dale, May 22 2016 *)
CROSSREFS
KEYWORD
base,easy,nice,nonn
AUTHOR
Enoch Haga, Jan 16 2000
STATUS
approved