1,1

p=A000040(n): a(n)= 5^p + 3^p - 2^p.

a(4)=80184 because the 4th prime number is 7, 5^7=78125, 3^7=2187, 2^7=128 and 78125+2187-128=80184.

Cf. 2^p: A034785. 3^p: A057901. 2^5: A057902.

Sequence in context: A064495 A124958 A126417 this_sequence A042760 A042762 A064240

Adjacent sequences: A135172 A135173 A135174 this_sequence A135176 A135177 A135178

nonn

Omar E. Pol (info(AT)polprimos.com), Nov 25 2007