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Search: id:A144176
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| A144176 |
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(2*2=4, 2*3=6, 2*4=8, 2*5=10, 2*6=12, 2*7=14, 2*8=16, 2*9=18, 2*10=20, 3*2=6,..) becomes (abs(2-2, 4-2, 3-6, 2-4, 8-2, 5-10, 2-6, 12-2, 7-14, 2-8, 16-2, 9-18, 2-10, 20-3, 2-6,..)) . |
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1
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| 0, 2, 3, 2, 6, 5, 4, 10, 7, 6, 14, 9, 8, 17, 4, 0, 6, 8, 2, 12, 12, 4, 18, 16, 6, 24, 20, 2, 4, 9, 0, 12, 15, 2, 20, 21, 4, 28, 27, 6, 35, 8, 2, 10, 16, 0, 20, 24, 2, 30, 32, 4, 40, 40, 4, 6, 15, 2, 18, 25, 0, 30, 35, 2, 42, 45, 4, 53, 12, 4, 14, 24, 2, 28, 36, 0, 42, 48, 2, 56, 60, 6, 8, 21, 4
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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(.., 9*9=81, 9*10=90, 10*2=20, 10*3=30, 10*4=40, 10*5=50,
10*6=60, 10*7=70, 10*8=80, 10*9=90, 10*10=100, 11*2=22,..) becomes
(abs(.., 9-9, 81-9, 10-90, 10-2, 20-10, 3-30, 10-4, 40-10, 5-50, 10-6,
60-10, 7-70, 10-8, 80-10, 9-90, 10-10, 100-11, 2-22,..)).
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EXAMPLE
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Abs(9-9)=abs 0=0=a(106).
Abs(81-9)=abs(72)=72=a(107).
Abs(10-90)=abs(-80)=80=a(108).
Abs(10-2)=abs(8)=8=a(109).
Abs(20-10)=abs(10)=10=a(110).
Abs(3-30)=abs(-27)=27=a(111), etc.
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CROSSREFS
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Cf. A143677.
Sequence in context: A097914 A113710 A054126 this_sequence A144175 A077418 A005421
Adjacent sequences: A144173 A144174 A144175 this_sequence A144177 A144178 A144179
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KEYWORD
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nonn
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AUTHOR
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Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Nov 19 2008
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