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!)
A127199 A monotonic doubly-fractal simple sequence. Erase the last (rightmost) digit of every integer: what is left is the sequence itself. The erased digits, one by one, form also the sequence itself. 3
1, 2, 11, 21, 112, 211, 1121, 2111, 11212, 21112, 112121, 211121, 1121211, 2111211, 11212112, 21112111, 112121122, 211121111, 1121211221, 2111211111 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..20.

CROSSREFS

Cf. A127204, A127274, A127303.

Sequence in context: A245500 A266202 A113721 * A085652 A111090 A111081

Adjacent sequences:  A127196 A127197 A127198 * A127200 A127201 A127202

KEYWORD

base,nonn

AUTHOR

Eric Angelini, Mar 27 2007

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 May 31 00:16 EDT 2020. Contains 334747 sequences. (Running on oeis4.)