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URL: https://oeis.org/history?seq=A258581

⇱ The On-Line Encyclopedia of Integer Sequences (OEIS)

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Showing entries 1-10 | older changes
a(1) = 2; for n > 1 if n is even a(n) = gpf(1 + Product_{odd m,m<n}a(m)), while if n is odd a(n) = gpf(1 + Product_{even m,m<n}a(m)).
#30 by Bruno Berselli at Tue Aug 04 10:13:15 EDT 2015
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#29 by Michel Marcus at Tue Aug 04 08:41:48 EDT 2015
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#28 by Anders Hellström at Tue Aug 04 08:20:43 EDT 2015
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#27 by Anders Hellström at Tue Aug 04 08:20:35 EDT 2015
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#26 by N. J. A. Sloane at Fri Jul 17 12:21:48 EDT 2015
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#25 by N. J. A. Sloane at Fri Jul 17 12:21:28 EDT 2015
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Discussion
Fri Jul 17
12:21
N. J. A. Sloane: Edited defn., added author name to links
#24 by Charles R Greathouse IV at Fri Jul 17 00:13:48 EDT 2015
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#23 by Charles R Greathouse IV at Fri Jul 17 00:13:32 EDT 2015
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#22 by Anders Hellström at Thu Jul 16 19:27:52 EDT 2015
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#21 by Anders Hellström at Thu Jul 16 19:27:47 EDT 2015
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