0,3

Equally, 0, 1, 2^2, ((3^3)^3), (((4^4)^4)^4), ((((5^5)^5)^5)^5), ...

Sequence in context: A162703 A070157 A003556 this_sequence A089210 A034014 A001376

Adjacent sequences: A053012 A053013 A053014 this_sequence A053016 A053017 A053018

nonn,easy

Frank McNamara (frank_mcnamara(AT)hotmail.com) and N. J. A. Sloane (njas(AT)research.att.com), Feb 24 2000

For the next term see A089210.