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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Probably there are no other terms. There are no other terms below 10^100.

LINKS

Table of n, a(n) for n=1..12.

EXAMPLE

Under the powerback map of A133048, 25 -> 5^2 = 25, 107495424 -> 4^2*4^5*9^4*7^0*1 = 107495424.

CROSSREFS

Cf. A133048, A135385.

Sequence in context: A132416 A128606 A085123 * A179988 A179979 A256005

Adjacent sequences:  A131568 A131569 A131570 * A131572 A131573 A131574

KEYWORD

nonn,base

AUTHOR

J. H. Conway and N. J. A. Sloane, Dec 31 2007

STATUS

approved

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Last modified April 25 21:06 EDT 2019. Contains 322461 sequences. (Running on oeis4.)