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A063185 Engel expansion of sum( 1/(2+k)^k, {k,0,Infinity}). 0
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Shgz(2)=1.4046684715031192197179531135647252212...

LINKS

Table of n, a(n) for n=1..26.

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: A018374 A290297 A344991 * A208854 A165260 A201874

Adjacent sequences:  A063182 A063183 A063184 * A063186 A063187 A063188

KEYWORD

nonn,easy

AUTHOR

Olivier Gérard, Jul 10 2001.

STATUS

approved

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Last modified September 19 11:23 EDT 2021. Contains 347556 sequences. (Running on oeis4.)