The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A113322 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A113322

First differences of A113321.
(history; published version)

#3 by Russ Cox at Fri Mar 30 18:50:53 EDT 2012

AUTHOR

_Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), _, Oct 26 2005

Discussion

Fri Mar 30

18:50

OEIS Server: https://oeis.org/edit/global/246

#2 by N. J. A. Sloane at Fri Jan 09 03:00:00 EST 2009

KEYWORD

sign,new

sign

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystemsgmail.com), Oct 26 2005

#1 by N. J. A. Sloane at Tue Jan 24 03:00:00 EST 2006

NAME

First differences of A113321.

DATA

1, 2, -1, 3, -1, 4, -2, 5, -4, 6, -4, 7, -6, 8, -6, 9, -7, 10, -9, 11, -9, 12, -10, 13, -12, 14, -12, 15, -14, 16, -14, 17, -15, 18, -17, 19, -17, 20, -19, 21, -19, 22, -20, 23, -22, 24, -22, 25, -23, 26, -25, 27, -25, 28, -27, 29, -27, 30, -28, 31, -30, 32, -30, 33, -31, 34

OFFSET

1,2

COMMENTS

a(n) = A113321(n+1) - A113321(n);

A000027 is a subsequence: a(A004277(n-1)) = n.

KEYWORD

sign

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Oct 26 2005

STATUS

approved