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Search: id:A060860
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| A060860 |
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Numbers n such that n^2-1 and n^2 are consecutive powerful numbers. |
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+0
3
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| 3, 17, 26, 99, 485, 577, 1351, 3363, 19601, 24335, 70226, 114243, 470449, 665857, 930249, 2862251, 3650401, 3880899, 22619537, 39480499, 130576328, 131836323, 189750626, 456335045
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OFFSET
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1,1
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EXAMPLE
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592192224 = 2.2.2.2.2.3.3.13.13.23.23 = 24334*24336, 592192225 = 5.5.31.31.157.157 = 24335^2.
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CROSSREFS
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Cf. A060355, A060859, A001694.
Sequence in context: A109371 A082372 A128107 this_sequence A101153 A045436 A007348
Adjacent sequences: A060857 A060858 A060859 this_sequence A060861 A060862 A060863
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KEYWORD
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nonn
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), May 04 2001
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EXTENSIONS
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Corrected and extended by Jud McCranie (j.mccranie(AT)comcast.net), Jul 08 2001
a(21)-a(24) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Apr 27 2008
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