OFFSET
1,2
LINKS
Ivan Neretin, Table of n, a(n) for n = 1..1000
FORMULA
Conjecture: a(n) < n^2.
MATHEMATICA
f = Function[n, k = cnt = 0; While[cnt < n, k++; If[PrimeQ[k n + 1], cnt++]]; k]; Table[f[n], {n, 60}] (* Ivan Neretin, May 22 2015 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Sep 09 2003
EXTENSIONS
More terms from David Wasserman, May 24 2005
STATUS
approved