Numbers of the form 4^p*(4^p+1)*(2^p-1) with p an odd prime.
A257391
Numbers of the form 4^p*(4^p+1)*(2^p-1) with p an odd prime.
Terms
- a(0) =29120a(1) =32537600a(2) =34093383680
External references
- oeis: A257391
A257391
Numbers of the form 4^p*(4^p+1)*(2^p-1) with p an odd prime.