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Search: id:A087646
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| A087646 |
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a(n) is the first term of the first run of exactly n non-perfect-powers. |
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+0
1
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| 26, 2, 5, 28, 0, 10, 97337, 17, 2188, 3126, 2198, 37, 0, 50, 129, 65, 226, 82, 197, 101, 0, 2026, 1001, 145, 42850, 170, 485, 0, 6860, 0, 7745, 257, 0, 290, 1729, 14348908, 1332, 362, 2705, 401, 0, 442, 0, 9217, 0, 530, 21905
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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a(3)=5 because (5,6,7) is the smallest consecutive triple of non-powers, followed by (33,34,35), (122,123,124), ...
The zeros above are conjectured and correspond to terms of A023057.
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CROSSREFS
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Cf. A001597, A023057, A053289.
A complement to A001597.
Sequence in context: A040670 A040672 A040673 this_sequence A040674 A037929 A036167
Adjacent sequences: A087643 A087644 A087645 this_sequence A087647 A087648 A087649
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KEYWORD
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hard,nonn
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AUTHOR
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Lekraj Beedassy (blekraj(AT)yahoo.com), Sep 23 2003
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EXTENSIONS
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Edited by Don Reble (djr(AT)nk.ca(, Sep 26 2003
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