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Search: id:A063185
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| A063185 |
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Engel expansion of sum( 1/(2+k)^k, {k,0,Infinity}). |
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+0
1
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| 1, 3, 5, 15, 20, 124, 141, 1085, 1221, 5267, 9814, 9899, 179888, 531293, 43914936, 59108249, 129482155, 290253117, 297264974, 329981693, 515700524, 1791622856, 29237782307, 289017844013, 2187297805011, 20282473409970
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OFFSET
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1,2
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COMMENT
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Shgz(2)=1.4046684715031192197179531135647252212...
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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: A077403 A018374 A002962 this_sequence A165260 A059528 A070079
Adjacent sequences: A063182 A063183 A063184 this_sequence A063186 A063187 A063188
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KEYWORD
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nonn,easy
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AUTHOR
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Olivier Gerard (olivier.gerard(AT)gmail.com), Jul 10 2001.
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