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Search: id:A046678
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A046678 Number of divisors of n and sum of divisors of n are relatively prime. +0
6
1, 2, 4, 8, 9, 16, 25, 36, 64, 81, 100, 121, 128, 144, 162, 225, 256, 289, 324, 400, 484, 512, 529, 576, 625, 729, 841, 900, 1024, 1089, 1156, 1250, 1296, 1458, 1600, 1681, 1936, 2025, 2116, 2209, 2304, 2401, 2500, 2601, 2809, 3025, 3364, 3481 (list; graph; listen)
OFFSET

1,2

COMMENT

It can be shown that this is a subset of A028982.

CROSSREFS

Cf. A028982, A046678 - A046981, A046983, A046985.

Sequence in context: A049439 A079931 A055008 this_sequence A046680 A113570 A065391

Adjacent sequences: A046675 A046676 A046677 this_sequence A046679 A046680 A046681

KEYWORD

nonn

AUTHOR

Labos Elemer (LABOS(AT)ana.sote.hu)

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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