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Table of n, a(n) for n=1..81.
A. V. Zavarnitsine, Finite simple groups with narrow prime spectrum
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).
Sequence in context: A135546 A138006 A256557 * A232076 A099476 A063628
Adjacent sequences: A145176 A145177 A145178 * A145180 A145181 A145182
Andrei V. Zavarnitsine (zav(AT)math.nsc.ru), Oct 03 2008