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A063189 Engel expansion of Sum_{k>=0} 1/(6 + k)^k. 0
1, 7, 9, 13, 132, 259, 756, 995, 1217, 1790, 3809, 6320, 17298, 63963, 266138, 821069, 3300319, 4218118, 4403814, 7172972, 20058471, 92458049, 191069103, 765926110, 822857354, 2489215358, 2980617344, 5257976545, 5926840761, 11328877119, 45478158116, 66167647170 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Shgz(6) = 1.1599604457220200725212487379412204309...

LINKS

Table of n, a(n) for n=1..32.

MATHEMATICA

ToEngel[ x_, n_Integer ] := Rest@First@Transpose@NestList[ {Ceiling[ 1/# ], #}&[ Times@@#-1 ]&, {1, Abs[ x ]+1}, n ]

CROSSREFS

Cf. A006784 for definition of Engel expansion.

Sequence in context: A032487 A332103 A160777 * A004472 A145827 A116025

Adjacent sequences:  A063186 A063187 A063188 * A063190 A063191 A063192

KEYWORD

nonn,easy

AUTHOR

Olivier Gérard, Jul 10 2001

STATUS

approved

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Last modified January 21 22:08 EST 2022. Contains 350480 sequences. (Running on oeis4.)