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A026142 For n >= 2, let h=[ (n+1)/2 ], L=n-h, R=n+h; a(L)=n if a(L) not yet defined, else a(R)=n; thus |a(n)-n| = [ (a(n)+1)/2 ]. +0
12
1, 4, 2, 8, 3, 12, 14, 5, 6, 20, 7, 24, 26, 9, 10, 32, 11, 36, 38, 13, 42, 44, 15, 16, 50, 17, 18, 56, 19, 60, 62, 21, 22, 68, 23, 72, 74, 25, 78, 80, 27, 28, 86, 29, 30, 92, 31, 96, 98, 33, 34, 104, 35, 108, 110, 37, 114, 116, 39, 40, 122, 41, 126, 128, 43, 132 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Sequence in context: A133640 A065171 A026192 this_sequence A095399 A068504 A080965

Adjacent sequences: A026139 A026140 A026141 this_sequence A026143 A026144 A026145

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified December 6 13:15 EST 2009. Contains 170429 sequences.


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