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Search: id:A063186
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| A063186 |
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Engel expansion of sum( 1/(3+k)^k, {k,0,Infinity}). |
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+0
1
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| 1, 4, 6, 13, 16, 31, 131, 231, 578, 905, 1649, 4810, 5999, 10249, 11962, 21338, 229345, 404066, 772217, 1646462, 2129025, 235494066, 559730937, 1287457726, 1549953698, 2919657850, 23892156516, 52085560558, 70347157214
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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Shgz(3)=1.2950786268784303709733480860835436581...
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MATHEMATICA
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ToEngel[ x_, n_Integer ] := Rest@First@Transpose@NestList[ {Ceiling[ 1/# ], #}&[ Times@@#-1 ]&, {1, Abs[ x ]+1}, n ]
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CROSSREFS
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Cf. A006784 for definition of Engel expansion.
Sequence in context: A074165 A137821 A010061 this_sequence A069061 A088811 A007977
Adjacent sequences: A063183 A063184 A063185 this_sequence A063187 A063188 A063189
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KEYWORD
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nonn,easy,nice
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AUTHOR
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Olivier Gerard (olivier.gerard(AT)gmail.com), Jul 10 2001.
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