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Search: id:A059195
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| A059195 |
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Engel expansion of ln(Pi) = 1.14473. |
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+0
1
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| 1, 7, 77, 107, 150, 167, 7091, 27852, 31790, 34069, 327724, 416403, 4669290, 20206510, 2218014305, 4524826037, 4576058224, 5496581959, 15869888136, 91151928112, 104430320239, 202761572952, 218933128153, 937032410920
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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Cf. A006784 for definition of Engel expansion
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REFERENCES
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F. Engel, Entwicklung der Zahlen nach Stammbruechen, Verhandlungen der 52. Versammlung deutscher Philologen und Schulmaenner in Marburg, 1913, pp. 190-191.
P. Erdos and J. O. Shallit, New bounds on the length of finite Pierce and Engel series, Sem. Theor. Nombres Bordeaux (2) 3 (1991), no.1, 43-53.
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LINKS
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Index entries for sequences related to Engel expansions
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MATHEMATICA
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EngelExp[ A_, n_ ] := Join[ Array[ 1&, Floor[ A ]], First@Transpose@NestList[ {Ceiling[ 1/Expand[ #[[ 1 ]]#[[ 2 ]]-1 ]], Expand[ #[[ 1 ]]#[[ 2 ]]-1 ]}&, {Ceiling[ 1/(A-Floor[ A ]) ], A-Floor[ A ]}, n-1 ]]
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CROSSREFS
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Sequence in context: A139472 A114470 A098497 this_sequence A139264 A045642 A068667
Adjacent sequences: A059192 A059193 A059194 this_sequence A059196 A059197 A059198
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KEYWORD
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nonn,easy,nice
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AUTHOR
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Mitch Harris (Harris.Mitchell(AT)mgh.harvard.edu)
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