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Search: id:A131571
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A131571 Fixed points of the map m -> powerback(m) (see A133048 for definition). +0
5
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 25, 107495424 (list; graph; listen)
OFFSET

1,3

COMMENT

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

Cf. A133048, A135385.

Sequence in context: A132416 A128606 A085123 this_sequence A031309 A122621 A118767

Adjacent sequences: A131568 A131569 A131570 this_sequence A131572 A131573 A131574

KEYWORD

nonn

AUTHOR

J. H. Conway and N. J. A. Sloane (njas(AT)research.att.com), Dec 31 2007

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.


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