A114466 Number of decimal digits in the 10^n-th Catalan number.

1, 5, 57, 598, 6015, 60199, 602051, 6020590, 60205987, 602059978, 6020599899, 60205999117, 602059991310, 6020599913260, 60205999132775, 602059991327940, 6020599913279600, 60205999132796214

Offset

0,2

Links

Table of n, a(n) for n=0..17.

Eric Weisstein's World of Mathematics, Catalan Number

Mathematica

Table[IntegerLength[CatalanNumber[10^n]], {n, 0, 9}] (* The program generates the first 10 terms of the sequence. To generate more, increase the "9" constant but the program may take a long time to run. *) (* Harvey P. Dale, Sep 01 2021 *)

Crossrefs

Cf. A000108, A114493.

Sequence in context: A223628 A107339 A139260 * A155642 A322248 A277831

Adjacent sequences: A114463 A114464 A114465 * A114467 A114468 A114469

Keyword

nonn,base

Author

Eric W. Weisstein, Nov 29 2005

Extensions

Edited by Charles R Greathouse IV, Aug 05 2010

Status

approved