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Revision History for A066932

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Showing entries 1-10 | older changes

A066932

a(n) is the denominator of b(n) where b(n)=1/b(n-1)+1/b(n-2) with b(1)=1 and b(2)=2.
(history; published version)

#21 by Harvey P. Dale at Tue Apr 02 12:49:03 EDT 2024

STATUS

editing

approved

#20 by Harvey P. Dale at Tue Apr 02 12:49:01 EDT 2024

MATHEMATICA

nxt[{a_, b_}]:={b, 1/a+1/b}; NestList[nxt, {1, 2}, 20][[;; , 1]]//Denominator (* Harvey P. Dale, Apr 02 2024 *)

STATUS

approved

editing

#19 by Michel Marcus at Tue Jan 02 02:50:16 EST 2024

STATUS

reviewed

approved

#18 by Joerg Arndt at Tue Jan 02 00:00:02 EST 2024

STATUS

proposed

reviewed

#17 by Andrey Zabolotskiy at Mon Jan 01 20:36:57 EST 2024

STATUS

editing

proposed

#16 by Andrey Zabolotskiy at Mon Jan 01 20:36:46 EST 2024

FORMULA

a(n) is the numerator of bc(n) where bc(n)=1/(bc(n-1)+ bc(n-2)) with bc(0)=c(1)=1 and b(2)=2. [_- _Mark Dols_, Jul 17 2009]

CROSSREFS

Cf. A057677 (numerator), A074937, A162924, A162926.

STATUS

approved

editing

#15 by Michael De Vlieger at Sat Jan 14 18:36:23 EST 2023

STATUS

proposed

approved

#14 by Michel Marcus at Sat Jan 14 18:04:05 EST 2023

STATUS

editing

proposed

#13 by Michel Marcus at Sat Jan 14 18:03:01 EST 2023

FORMULA

a(n) is the numerator of b(n) where b(n)=1/(b(n-1)+ b(n-2)) with b(1)=1 and b(2)=2 . [Mark Dols, Jul 17 2009]

STATUS

proposed

editing

Discussion

Sat Jan 14

18:04

Michel Marcus: ok no; let's leave it

#12 by Michel Marcus at Sat Jan 14 17:39:11 EST 2023

STATUS

editing

proposed

Discussion

Sat Jan 14

17:52

N. J. A. Sloane: Make the change if you want, but you could equally well leave it the way it is!