login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A080516
a(1) = 5, a(n) = smallest n-th power obtained by inserting digits anywhere in a(n-1).
3
5, 25, 125, 1500625, 7721159067190625, 15177620126188504995068476821390625
OFFSET
1,1
COMMENTS
After the first term, this sequence is the same as A080515. [From Sean A. Irvine, Aug 31 2009]
CROSSREFS
Sequence in context: A321288 A030988 A173260 * A033141 A099524 A081916
KEYWORD
base,hard,more,nonn
AUTHOR
Amarnath Murthy, Mar 20 2003
EXTENSIONS
More terms from Robert Gerbicz, Aug 24 2006
STATUS
approved