OFFSET
0,1
MATHEMATICA
mx = 5; t = Table[-1, {mx}]; n = 0; found = 0; While[found < mx, ps = Select[Range[10*n, 10*n + 9], PrimeQ]; len = Length[ps]; If[t[[len + 1]] == -1, t[[len + 1]] = n; found++]; n++]; t (* T. D. Noe, Sep 03 2012 *)
CROSSREFS
KEYWORD
nonn,fini,full
AUTHOR
V. Raman, Sep 03 2012
STATUS
approved