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A131571
Fixed points of the map m -> powerback(m) (see A133048 for definition).
4
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 25, 107495424
OFFSET
1,3
COMMENTS
Probably there are no other terms. There are no other terms below 10^100.
EXAMPLE
Under the powerback map of A133048, 25 -> 5^2 = 25, 107495424 -> 4^2*4^5*9^4*7^0*1 = 107495424.
CROSSREFS
Sequence in context: A132416 A128606 A085123 * A179988 A364187 A179979
KEYWORD
nonn,base
AUTHOR
J. H. Conway and N. J. A. Sloane, Dec 31 2007
STATUS
approved