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Search: id:A005181
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| A005181 |
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Ceiling( e^{(n-1)/2} ).
(Formerly M0693)
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+0
2
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| 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 91, 149, 245, 404, 666, 1097, 1809, 2981, 4915, 8104, 13360, 22027, 36316, 59875, 98716, 162755, 268338, 442414, 729417, 1202605, 1982760
(list; graph; listen)
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OFFSET
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0,3
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REFERENCES
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R. K. Guy, The second strong law of small numbers. Math. Mag. 63 (1990), no. 1, 3-20.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
I. Stewart, L'univers des nombres, pp. 27 Belin-Pour La Science, Paris 2000.
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LINKS
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I. Stewart, Fibonacci Forgeries
Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.
Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.
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CROSSREFS
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Sequence in context: A077371 A077372 A147659 this_sequence A120659 A042581 A093332
Adjacent sequences: A005178 A005179 A005180 this_sequence A005182 A005183 A005184
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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), R. K. Guy
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