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Search: id:A003619
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| A003619 |
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Not of form [ e^m ], m >= 1.
(Formerly M2300)
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+0
2
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| 1, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53
(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).
J. Lambek and L. Moser, Inverse and complementary sequences of natural numbers, Amer. Math. Monthly, 61 (1954), 454-458.
J. Roberts, Lure of the Integers, Math. Assoc. America, 1992, p. 11.
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FORMULA
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a(n) = n + [ log (n + 1 + [ log (n + 1) ]) ].
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CROSSREFS
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Cf. A000195.
Sequence in context: A096127 A112768 A089399 this_sequence A039234 A025020 A028974
Adjacent sequences: A003616 A003617 A003618 this_sequence A003620 A003621 A003622
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Mira Bernstein
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