A127199 - OEIS

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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.

%I #2 Mar 31 2012 13:46:53

%S 1,2,11,21,112,211,1121,2111,11212,21112,112121,211121,1121211,

%T 2111211,11212112,21112111,112121122,211121111,1121211221,2111211111

%N 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.

%Y Cf. A127204, A127274, A127303.

%K base,nonn

%O 1,2

%A _Eric Angelini_, Mar 27 2007