OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
FORMULA
a(n) ~ n log n. - Charles R Greathouse IV, Jun 20 2014
MATHEMATICA
p10Q[n_] := Module[{idn = IntegerDigits[n]}, MemberQ[Partition[idn, 2, 1], {1, 0}]]; Select[Prime[Range[1250]], p10Q] (* Vincenzo Librandi, Sep 14 2012 *)
PROG
(PARI) contains(n, k)=my(N=digits(n), K=digits(k)); for(i=0, #N-#K, for(j=1, #K, if(N[i+j]!=K[j], next(2))); return(1)); 0
is(n)=isprime(n) && contains(n, 10) \\ Charles R Greathouse IV, Jun 20 2014
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Vincenzo Librandi, Nov 01 2009
EXTENSIONS
Corrected (1087 inserted) by R. J. Mathar, Nov 30 2009
STATUS
approved