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Search: id:A072363
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A072363 Composite numbers whose sum of divisors is palindromic. +0
1
4, 81, 96, 98, 130, 146, 162, 166, 201, 205, 208, 221, 244, 274, 300, 314, 325, 333, 365, 388, 422, 438, 489, 519, 559, 633, 685, 793, 803 (list; graph; listen)
OFFSET

1,1

EXAMPLE

a(2)=81: sum of divisors of 81=1+3+9+27+81=121, which is a palindrome.

CROSSREFS

Sequence in context: A156103 A116189 A159063 this_sequence A053901 A017006 A041189

Adjacent sequences: A072360 A072361 A072362 this_sequence A072364 A072365 A072366

KEYWORD

base,nonn

AUTHOR

Shyam Sunder Gupta (guptass(AT)rediffmail.com), Jul 18 2002

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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