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Search: id:A035505
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| A035505 |
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Active part of Kimberling's expulsion array as a triangular array. |
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+0
1
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| 4, 2, 6, 2, 7, 4, 8, 7, 9, 2, 10, 6, 6, 2, 11, 9, 12, 7, 13, 8, 13, 12, 8, 9, 14, 11, 15, 2, 16, 6, 2, 11, 16, 14, 6, 9, 17, 8, 18, 12, 19, 13, 18, 17, 12, 9, 19, 6, 13, 14, 20, 16, 21, 11, 22, 2, 16, 14, 21, 13, 11, 6, 22, 19, 2, 9, 23, 12, 24, 17, 25, 18, 23, 2, 12, 19, 24, 22, 17, 6
(list; graph; listen)
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OFFSET
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0,1
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REFERENCES
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R. K. Guy, Unsolved Problems Number Theory, Sect. E35.
C. Kimberling, Problem 1615, Crux Mathematicorum, Vol. 17 (2) 44 1991 and Vol. 18, March 1992, p. 82-83.
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EXAMPLE
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4 2; 6 2 7 4; 8 7 9 2 10 6; ...
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CROSSREFS
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Cf. A006852, A007063, A038807, A035486.
Sequence in context: A011306 A019719 A016694 this_sequence A143308 A163238 A097362
Adjacent sequences: A035502 A035503 A035504 this_sequence A035506 A035507 A035508
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KEYWORD
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nonn,tabf,nice,easy
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
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More terms from James A. Sellers (sellersj(AT)math.psu.edu), Dec 23 1999
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