A067502 Powers of 5 with digit sum also a power of 5.

1, 5, 390625, 24308653429145084793531500210078610314805672534067059113676236776522261070450716567124784465334818816238150740449697195799672044813632965087890625

Offset

1,2

Comments

Next terms are 5^977, 5^1007, 5^4938, 5^24709, 5^24733, 5^24853. - Sascha Kurz, Mar 18 2002

Links

Table of n, a(n) for n=1..4.

Mathematica

Select[5^(Range[209]-1), IntegerQ[Log[5, Total[IntegerDigits[#]]]]&] (* Stefano Spezia, Dec 23 2022 *)

Crossrefs

Cf. A066001, A067499, A067500, A067501.

Sequence in context: A295532 A240132 A067509 * A318752 A123693 A269527

Adjacent sequences: A067499 A067500 A067501 * A067503 A067504 A067505

Keyword

base,nonn

Author

Amarnath Murthy, Feb 11 2002

Status

approved