This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A317873 Number of digits in the numerators of partial sums for Liouville's constant, read as base-2 (binary) numbers. 0
 1, 1, 2, 8, 37, 217, 1518, 12138, 109238, 1092378, 12016155, 144193850, 1874520045, 26243280622, 393649209329, 6298387349264, 107072584937472, 1927306528874488, 36618824048615255, 732376480972305082, 15379906100418406713, 338357934209204947674 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS Inspired by the comment made in A145572. a(n) ~= n*a(n-1). LINKS FORMULA a(n) = A034887(n!). MATHEMATICA a[n_] := IntegerLength@ FromDigits[ RealDigits[ Sum[1/10^k!, {k, n}], 10, n!][[1]], 2]; Array[a, 13] (* slow *) Array[ Floor[#! Log10@2 + 1] &, 22] CROSSREFS Cf. A034887, A145571, A145572. Sequence in context: A289541 A047729 A020076 * A289316 A020130 A159051 Adjacent sequences:  A317870 A317871 A317872 * A317874 A317875 A317876 KEYWORD nonn,base AUTHOR Wolfdieter Lang and Robert G. Wilson v, Aug 09 2018 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified May 22 05:03 EDT 2019. Contains 323473 sequences. (Running on oeis4.)