A063188 Engel expansion of Sum_{k>=0} 1/(5 + k)^k.

1, 6, 8, 13, 19, 21, 105, 401, 1053, 2012, 4310, 114743, 235156, 287799, 1269345, 1481217, 1978865, 2703836, 3103386, 3325474, 18167905, 553255504, 782224772, 1039603284, 26121336847, 37996375306, 60661762577, 109713190320

Offset: 1

Author

Olivier Gérard, Jul 10 2001

Keywords

• nonn
• easy
• nice

Comments

Shgz(5) = 1.1891909643804311990212726717131587411...

Crossrefs

Cf. A006784 for definition of Engel expansion.

Programs

Mathematica

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