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A160962 Perfect numbers written in base 4. 2
12, 130, 13300, 1333000, 1333333000000, 13333333300000000, 1333333333000000000, 1333333333333333000000000000000, 1333333333333333333333333333333000000000000000000000000000000 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

CROSSREFS

Cf. A000043, A000396, A000668, A135650.

Sequence in context: A099157 A163414 A111777 * A097783 A078218 A048643

Adjacent sequences:  A160959 A160960 A160961 * A160963 A160964 A160965

KEYWORD

nonn,base

AUTHOR

Vladislav-Stepan Malakhovsky and Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), May 31 2009

EXTENSIONS

Edited by N. J. A. Sloane, Jun 07 2009

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Last modified February 17 14:50 EST 2012. Contains 206050 sequences.