OFFSET
0,1
COMMENTS
No group can contain 4 terms as the product of four consecutive integers + 1 is a square. Question: are there other numbers like 4, which always give a composite number?
MATHEMATICA
t = {}; s = 1; Do[s = s*i; If[PrimeQ[s + 1], AppendTo[t, s + 1]; s = 1], {i, 100}]; t (* Jayanta Basu, Jul 07 2013 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Aug 12 2002
EXTENSIONS
More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 24 2003
STATUS
approved