The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A261812 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A261812

First differences of A098842.
(history; published version)

#17 by N. J. A. Sloane at Thu Sep 24 01:36:33 EDT 2015

STATUS

editing

approved

#16 by N. J. A. Sloane at Thu Sep 24 01:35:44 EDT 2015

NAME

Differences in numbers of consecutive n-digit Fibonacci numbers.

First differences of A098842.

STATUS

proposed

editing

Discussion

Thu Sep 24

01:36

N. J. A. Sloane: I found the defn very confusing.  A simple precise defn is preferable

#15 by Michel Marcus at Tue Sep 22 08:37:15 EDT 2015

STATUS

editing

proposed

#14 by Michel Marcus at Tue Sep 22 08:37:09 EDT 2015

PROG

(pythonPython)

STATUS

reviewed

editing

#13 by Danny Rorabaugh at Mon Sep 21 22:03:34 EDT 2015

STATUS

proposed

reviewed

#12 by Michel Marcus at Wed Sep 02 02:48:04 EDT 2015

STATUS

editing

proposed

#11 by Michel Marcus at Wed Sep 02 02:47:48 EDT 2015

COMMENTS

These differences are derived via a(n+1)-a(n) of A098842.

FORMULA

a(n) = A098842(n+1) - A098842(n).

KEYWORD

sign,base,changed

STATUS

proposed

editing

#10 by Giovanni Resta at Wed Sep 02 02:39:38 EDT 2015

STATUS

editing

proposed

#9 by Giovanni Resta at Wed Sep 02 02:39:09 EDT 2015

NAME

Differences in numbers of consecutive n-digit fibonacci Fibonacci numbers.

MATHEMATICA

Most@ Differences[ Last /@ Tally[ Max[ IntegerLength@#, 1] & /@ Fibonacci[ Range[0, 900]]]] (* Giovanni Resta, Sep 02 2015 *)

STATUS

proposed

editing

#8 by Andrew R. Reiter at Tue Sep 01 21:14:31 EDT 2015

STATUS

editing

proposed

Discussion

Wed Sep 02

01:02

Michel Marcus: These differences are derived via a(n+1)-a(n) of A098842.:
rather a(n) = A098842(n+1) - A098842(n).

01:03

Michel Marcus: Needs keyword base, since A098842 has base keyword