OFFSET
1,1
LINKS
David A. Corneth, Table of n, a(n) for n = 1..10000 (First 1000 terms from G. C. Greubel)
FORMULA
{3} Union A002496. - R. J. Mathar, Aug 06 2009
MATHEMATICA
Union[{3}, Select[Range[100]^2 + 1, PrimeQ]] (* G. C. Greubel, Jul 28 2017 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Gaurav Kumar, Jul 31 2009
STATUS
approved