A173260 a(0)=1, a(1)=5; for n>=2, a(n) = 5^A042950(n-2).

1, 5, 25, 125, 15625, 244140625, 59604644775390625, 3552713678800500929355621337890625, 12621774483536188886587657044524579674771302961744368076324462890625

Offset: 0

Author

Giovanni Teofilatto, Feb 24 2010

Keywords

• nonn

Crossrefs

Cf. A042950, A167182, A172489, A175129.

Extensions

Revised by N. J. A. Sloane, Jun 20 2021