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Search: id:A108729
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A108729 Numbers n such that n divides A076127(n); or n such that A076127(n) is a Niven number. +0
1
1, 3, 7, 9, 21, 27, 57, 81, 111, 189, 243, 333, 441, 729, 777, 999, 1161, 1701, 2109, 2187, 2529, 2709, 2763, 2793, 2997 (list; graph; listen)
OFFSET

1,2

EXAMPLE

a(2)=3 because A076127(3)=101001 and 101001/3 = 33667.

CROSSREFS

Cf. A005349.

Sequence in context: A057493 A003594 A014854 this_sequence A133027 A018522 A018326

Adjacent sequences: A108726 A108727 A108728 this_sequence A108730 A108731 A108732

KEYWORD

base,more,nonn

AUTHOR

Jason Earls (zevi_35711(AT)yahoo.com), Jun 21 2005

EXTENSIONS

More terms from David Wasserman (dwasserm(AT)earthlink.net), May 22 2008

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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.


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