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A003619
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Not of form [ e^m ], m >= 1.
(Formerly M2300)
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1
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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; refs; listen; history; internal format)
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OFFSET
| 1,2
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REFERENCES
| 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.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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FORMULA
| a(n) = n + [ log (n + 1 + [ log (n + 1) ]) ].
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CROSSREFS
| Cf. A000195.
Sequence in context: A112768 A197354 A089399 * A183294 A039234 A025020
Adjacent sequences: A003616 A003617 A003618 * A003620 A003621 A003622
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Mira Bernstein
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