A063194 Engel expansion of 1 + Sum_{k>=1} 1/k^k.

1, 1, 4, 7, 7, 11, 80, 114, 6099, 11431, 26617, 33585, 56088, 61344, 194790, 234794, 1389968, 1786243, 2418760, 2647328, 3746318, 4952495, 5249786, 5341636, 10517386, 55449405, 79637649, 561022295, 625320951, 3650616781

Offset

1,3

Comments

Shgz(0) = 2.2912859970626635404072825905956005414... = 1 + A073009.

Links

Table of n, a(n) for n=1..30.

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, A073009.

Sequence in context: A310931 A310932 A194121 * A071529 A349537 A271919

Adjacent sequences: A063191 A063192 A063193 * A063195 A063196 A063197

Keyword

nonn,easy

Author

Olivier Gérard, Jul 10 2001

Status

approved