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A143717 (1, 2, 3, 2^2, 5, 2*3, 7, 2^3, 3^2, 2*5, 11, 2^2*3, 13, 2*7, 3*5,..) becomes (abs(1-2-3, 2-2-5, 2-3-7, 2-3-3, 2-2-5, 11-2-2, 3-13-2, 7-3-5,..)). 5
4, 5, 8, 4, 5, 7, 12, 1, 19, 3, 15, 5, 32, 4, 1, 7, 7, 24, 28, 9, 20, 3, 36, 20, 8, 38, 47, 11, 4, 68, 5, 3, 0, 13, 42, 5, 6, 15, 86, 3, 58, 26, 1, 10, 75, 17, 22, 73, 4, 73, 29, 2, 1, 14, 73, 2, 122, 3, 15, 44, 24, 80, 4, 8, 24, 18, 16, 95, 7, 10, 5, 101, 117, 14, 9, 158, 3, 108, 9, 31 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..80.

EXAMPLE

Abs (7-3-5)=abs (-1) =1=a(8).

Abs (2-4-17)=abs(-19)=19=a(9).

Abs (2-3-2)=abs (-3)=3=a(10).

Abs (19-2-2)=abs 15=15=a(11),

Abs (5-3-7)=abs (-5)=5=a(12),

etc.

CROSSREFS

Cf. A141287, A141261, A136678.

Sequence in context: A010477 A195386 A259468 * A155921 A016721 A089959

Adjacent sequences:  A143714 A143715 A143716 * A143718 A143719 A143720

KEYWORD

nonn,less

AUTHOR

Juri-Stepan Gerasimov, Nov 13 2008

EXTENSIONS

Replaced a 56 by a 1. R. J. Mathar, Feb 21 2009

STATUS

approved

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Last modified August 25 03:10 EDT 2019. Contains 326318 sequences. (Running on oeis4.)