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Search: id:A085699
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| A085699 |
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Smallest multiple of n such that a(n) + a(n-1) is an n-th power. |
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+0
1
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OFFSET
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1,2
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COMMENT
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a(8) does not exist because no 8-th power is congruent to a(7)=19257287 (mod 8).
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EXAMPLE
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1, 1+8, 8+117, 117+508 give 1,9,125,625... which are 1,3^2,5^3,5^4,...
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CROSSREFS
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Sequence in context: A062126 A113670 A056988 this_sequence A046914 A116008 A086302
Adjacent sequences: A085696 A085697 A085698 this_sequence A085700 A085701 A085702
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KEYWORD
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fini,full,nonn
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AUTHOR
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Amarnath Murthy, Jason Earls (zevi_35711(AT)yahoo.com), Jul 18 2003
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EXTENSIONS
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Edited by Dean Hickerson (dean(AT)math.ucdavis.edu), Jul 20 2003
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