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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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2
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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, 768398401, 1184384449, 4478554083, 9863382151, 10850138895, 26102926097
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| a(31) > 10^11. - Donovan Johnson, Nov 15 2011
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EXAMPLE
| 592192224 = 2^5*3^2*13^2*23^3 = 24334*24336, 592192225 = 5^2*31^2*157^2 = 24335^2.
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CROSSREFS
| Cf. A060355, A060859, A001694.
Sequence in context: A154620 A175385 A174268 * A101153 A192538 A045436
Adjacent sequences: A060857 A060858 A060859 * A060861 A060862 A060863
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KEYWORD
| nonn
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AUTHOR
| Labos E. (labos(AT)ana.sote.hu), May 04 2001
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EXTENSIONS
| Corrected and extended by Jud McCranie (JudMcCranie(AT)ugaalum.uga.edu), Jul 08 2001
a(21)-a(24) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Apr 27 2008
a(25)-a(26) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Dec 07 2008
a(27)-a(28) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Jun 17 2011
a(29)-a(30) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Nov 15 2011
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