A063190 Engel expansion of Sum_{k>=0} 1/(7 + k)^k.
1, 8, 10, 14, 36, 45, 88, 102, 114, 432, 4369, 9183, 15670, 31307, 103514, 511249, 1673274, 2394998, 3225410, 4732293, 54612351, 55335052, 220482735, 39208626697, 290846809341, 296349507792, 2280942643369, 2891972596111
Offset: 1
Crossrefs
Cf. A006784 for definition of Engel expansion.
Programs
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Mathematica
ToEngel[ x_, n_Integer ] := Rest@First@Transpose@NestList[ {Ceiling[ 1/# ], #}&[ Times@@#-1 ]&, {1, Abs[ x ]+1}, n ]
Comments