OFFSET
1,3
LINKS
A. V. Zavarnitsine, Finite simple groups with narrow prime spectrum arXiv:081.0568 and Sib. Elec. Math. Rep. 6 (2009) 1-12
EXAMPLE
a(17)=3 because there are precisely three non-Abelian finite simple groups G (viz. PSL(2,59), A_59, A_60) such that the maximal prime divisor of the order of G is the 17th prime (which is 59).
CROSSREFS
KEYWORD
nonn
AUTHOR
Andrei V. Zavarnitsine (zav(AT)math.nsc.ru), Oct 03 2008
STATUS
approved