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Search: id:A007303
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| A007303 |
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Earliest monotonic sequence fixed (apart from signs) under reversion.
(Formerly M1036)
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+0
1
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| 1, 2, 4, 7, 10, 12, 18, 40, 44, 45, 1850, 11604, 11616, 11617, 2132568, 17001726, 17001743, 17001744, 6660587898, 64431061179, 64431061180, 64431061181, 46611108069964
(list; graph; listen)
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OFFSET
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1,2
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
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M. Bernstein and N. J. A. Sloane, Some canonical sequences of integers, Linear Alg. Applications, 226-228 (1995), 57-72; erratum 320 (2000), 210.
Index entries for reversions of series
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FORMULA
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Series reversion of g.f. A(x) is -A(-x). - Michael Somos Sep 07 2005
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MAPLE
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read transforms; t1 := [1, 2, 4, 7, 10, 12, 18]; REVERT(t1); # gives [1, -2, 4, -7, 10, -12, 18] and so on
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CROSSREFS
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Sequence in context: A062429 A007087 A101359 this_sequence A102988 A080137 A102933
Adjacent sequences: A007300 A007301 A007302 this_sequence A007304 A007305 A007306
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KEYWORD
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nonn,nice,eigen
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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