login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A110802 a(1) =1, a(n) = k* concatenation of a(1), a(2), ...a(n-1), where k is the number of digits in the concatenation. 0
1, 1, 22, 4488, 89795904, 17959182236734464, 3704081336326483792653013812237312, 75204075616325580032652098612091128173449533874414107751925419899904 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..8.

EXAMPLE

a(2) = 1*1 = 1, a(3) = 11*2 = 22, a(4) = 1122*4 = 4488.

CROSSREFS

Sequence in context: A155885 A218719 A109776 * A200460 A202054 A279298

Adjacent sequences:  A110799 A110800 A110801 * A110803 A110804 A110805

KEYWORD

base,easy,nonn

AUTHOR

Amarnath Murthy, Aug 14 2005

EXTENSIONS

More terms from Joshua Zucker, May 03 2006

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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 24 11:11 EDT 2021. Contains 345416 sequences. (Running on oeis4.)