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Search: id:A117151
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| A117151 |
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Numbers n such that the minimal length of the corresponding shortest addition chain A003313(n)=A003313(10*n). |
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+0
7
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| 432541, 838861, 865082, 1468007, 1677722, 1730164, 1887437, 2516583, 2726299, 2936014
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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The sequence is based on data computed by N. Clift (neillclift(AT)msn.com).
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CROSSREFS
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Cf. A115016, A003313 [l(k)], A086878 [l(k)=l(2*k)], A116459 [l(k)=l(3*k], A116460 [l(k)=l(5*k)], A116461 [l(k)=l(6*k)], A116462 [l(k)=l(7*k], A116463[l(k)=l(9*k)].
Sequence in context: A051595 A117318 A085092 this_sequence A134960 A134888 A114671
Adjacent sequences: A117148 A117149 A117150 this_sequence A117152 A117153 A117154
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KEYWORD
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hard,more,nonn
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AUTHOR
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Hugo Pfoertner (hugo(AT)pfoertner.org), Mar 07 2006
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