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Search: id:A135624
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A135624 Perfect numbers written backwards. +0
2
6, 82, 694, 8218, 63305533, 6509689858, 823196834731, 8212599318003485032, 6712483595162964564471389651995548562, 612961845123799031836303480873397492701632806249165191 (list; graph; listen)
OFFSET

1,1

LINKS

O. E. Pol, Determinacion geometrica de los numeros primos y perfectos.

EXAMPLE

a(3)=694 because the 3rd perfect number is 496.

CROSSREFS

Cf. A000396, A004087.

Sequence in context: A076282 A121790 A032491 this_sequence A089397 A089701 A068253

Adjacent sequences: A135621 A135622 A135623 this_sequence A135625 A135626 A135627

KEYWORD

base,easy,nonn

AUTHOR

Omar E. Pol (info(AT)polprimos.com), Feb 17 2008

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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