1,1

A001597: perfect powers, m^k where m is an integer and k >= 2. A075398, perfect powers pp such that pp-1 is prime.

pp=324900 is OK because pp=570^2 and pp+1=324901 (prime).

Sequence in context: A030179 A005722 A075408 this_sequence A136404 A046952 A081456

Adjacent sequences: A114265 A114266 A114267 this_sequence A114269 A114270 A114271

nonn

Zak Seidov (zakseidov(AT)yahoo.com), Nov 19 2005