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A127303 A doubly-fractal simple sequence. Erase the first (leftmost) 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, 12, 111, 212, 1111, 1212, 11111, 21212, 111111, 221212, 1111111, 1221212, 11111111, 11221212, 111111111, 211221212, 1111111111, 2211221212 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

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

CROSSREFS

Cf. A127199, A127204, A127274.

Sequence in context: A117547 A037091 A289675 * A286153 A068972 A116437

Adjacent sequences:  A127300 A127301 A127302 * A127304 A127305 A127306

KEYWORD

base,nonn

AUTHOR

Eric Angelini, Mar 27 2007

STATUS

approved

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Last modified August 6 10:01 EDT 2020. Contains 336245 sequences. (Running on oeis4.)