OFFSET
1,2
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
EXAMPLE
k=1 is in the sequence because k235711 = 1235711 is prime.
k=37 is in the sequence because k235711 = 37235711 is prime.
k=72 is in the sequence because k235711 = 72235711 is prime.
MATHEMATICA
Select[Range[400], PrimeQ[10^6 #+235711]&] (* Harvey P. Dale, Jan 17 2023 *)
PROG
(Magma) [ n: n in [1..700] | IsPrime(Seqint([1, 1, 7, 5, 3, 2] cat Intseq(n))) ]; // Vincenzo Librandi, Feb 03 2011
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Parthasarathy Nambi, Mar 21 2005
STATUS
approved