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Search: id:A112586
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| A112586 |
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Lengths of the loop of the sequences "Sum of last n digits" beginning with (n-1) zeros followed by digit 7. |
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+0
1
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| 1, 3, 15, 50, 171, 69, 461, 78, 12203, 312, 318880, 2184, 57725, 5804, 6698, 5091
(list; graph; listen)
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OFFSET
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1,2
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EXAMPLE
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a(4)=50 because the sum of last four *digits* of the sequence beginning with 0,0,0,7, (three zeros followed by a 7) enters in a loop whose length is 50 terms; so a(4)=50
a(5)=171 because "Sum of last five digits" beginning with 0,0,0,0,7 enters in a cycle of 171 terms.
Computed by Michael D Beeler.
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CROSSREFS
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Cf. A112395.
Sequence in context: A089580 A034564 A012203 this_sequence A043005 A165746 A118126
Adjacent sequences: A112583 A112584 A112585 this_sequence A112587 A112588 A112589
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KEYWORD
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base,easy,nonn
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AUTHOR
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Alexandre Wajnberg (alexandre.wajnberg(AT)skynet.be), Dec 17 2005
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