OFFSET
1,1
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
EXAMPLE
If k=12, then k23571113 = 1223571113 (prime).
If k=59, then k23571113 = 5923571113 (prime).
If k=99, then k23571113 = 9923571113 (prime).
MATHEMATICA
With[{c={2, 3, 5, 7, 1, 1, 1, 3}}, Select[Range[500], PrimeQ[FromDigits[Join[ IntegerDigits[ #], c]]]&]] (* Harvey P. Dale, Apr 03 2013 *)
PROG
(Magma) [ n: n in [1..700] | IsPrime(Seqint([3, 1, 1, 1, 7, 5, 3, 2] cat Intseq(n))) ]; // Vincenzo Librandi, Feb 03 2011
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Parthasarathy Nambi, Mar 23 2005
EXTENSIONS
More terms from Jon E. Schoenfield, May 16 2010
STATUS
approved