1,2

Niven, I. ``Averages of Exponents in Factoring Integers.'' Proc. Amer. Math. Soc. 22, 356-360, 1969

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

Cf. A033150, A033151, A033152, A033153.

Sequence in context: A014283 A033551 A022777 this_sequence A076950 A069194 A100531

Adjacent sequences: A033151 A033152 A033153 this_sequence A033155 A033156 A033157

nonn,cofr

Eric Weisstein (eric(AT)weisstein.com)

One more term from Michel ten Voorde (seqfan(AT)tenvoorde.org) Jun 14 2003