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A202271
Right-truncatable perfect powers: every prefix is perfect power.
0
1, 4, 8, 9, 16, 49, 81, 169
OFFSET
1,2
COMMENTS
Also right-truncatable powerful numbers: every prefix is powerful number. This sequence is finite with 8 terms.
CROSSREFS
Cf. A001597 (perfect powers), A001694 (powerful numbers).
Sequence in context: A227243 A272575 A020145 * A334858 A162898 A257009
KEYWORD
nonn,base,fini,full
AUTHOR
Jaroslav Krizek, Jan 06 2012
STATUS
approved