1,2

n! is the smallest number with that prime signature.

Table of n, a(n) for n=1..20.

a(6) = 1620 = 3^4*2^2*5, while 6! = 720 = 2^4*3^2*5.

Sequence in context: A093639 A089005 A287887 * A151074 A151075 A151076

Adjacent sequences: A088297 A088298 A088299 * A088301 A088302 A088303

nonn

Amarnath Murthy, Sep 30 2003

Corrected and extended by Ray Chandler, Oct 06 2003

approved