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Search: id:A074907
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A074907 Aliquot sequence starting at 570. +0
2
570, 870, 1290, 1878, 1890, 3870, 6426, 10854, 13830, 19434, 20886, 21606, 25098, 26742, 26754, 40446, 63234, 77406, 110754, 171486, 253458, 295740, 647748, 1077612, 1467588, 1956812, 2109796, 1889486, 953914, 668966, 353578, 176792 (list; graph; listen)
OFFSET

0,1

REFERENCES

R. K. Guy, Unsolved Problems in Number Theory, B6.

LINKS

Christophe CLAVIER, Aliquot Sequences

EXAMPLE

a(0)=570, a(1) = sigma(570) - 570 = 870

CROSSREFS

Cf. A008888, A008889.

Sequence in context: A142818 A103818 A097035 this_sequence A073036 A020381 A142767

Adjacent sequences: A074904 A074905 A074906 this_sequence A074908 A074909 A074910

KEYWORD

nonn

AUTHOR

Robert A. Stump (bee_ess107(AT)msn.com), Sep 30 2002

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


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