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Search: id:A008888
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| A008888 |
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Aliquot sequence starting at 138. |
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+0
4
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| 138, 150, 222, 234, 312, 528, 960, 2088, 3762, 5598, 6570, 10746, 13254, 13830, 19434, 20886, 21606, 25098, 26742, 26754, 40446, 63234, 77406, 110754, 171486, 253458, 295740, 647748, 1077612
(list; graph; listen)
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OFFSET
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0,1
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REFERENCES
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R. K. Guy, Unsolved Problems in Number Theory, B6.
Enoch Haga, Exploring Prime Numbers on Your PC, 2nd ed., 1998, pages 83-84, and Table 8, page 46. ISBN 1-885794-16-9.
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LINKS
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Christophe CLAVIER, Aliquot Sequences
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MAPLE
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f := proc(n) option remember; if n = 0 then 138; else sigma(f(n-1))-f(n-1); fi; end:
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CROSSREFS
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Adjacent sequences: A008885 A008886 A008887 this_sequence A008889 A008890 A008891
Sequence in context: A031964 A114820 A107939 this_sequence A045045 A108156 A089518
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KEYWORD
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nonn
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AUTHOR
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njas
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