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A127204 A monotonic doubly-fractal 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. 4
1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 21, 32, 41, 53, 62, 74, 81, 95, 113, 216, 322, 417, 534, 628, 741, 819, 955, 1131, 2161, 3223, 4172, 5341, 6286, 7413, 8192, 9552, 11314, 21611, 32237, 41725, 53413, 62864, 74136, 81922, 95528, 113147, 216114, 322371, 417258 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Ivan Neretin, Table of n, a(n) for n = 1..500

MATHEMATICA

a = Append[Range@9, 11]; s = {1}; Do[AppendTo[a, 10*a[[-9]] + s[[n]]]; s = Join[s, IntegerDigits[a[[-1]]]], {n, 39}]; a (* Ivan Neretin, Sep 03 2015 *)

CROSSREFS

Cf. A127199, A127274, A127303.

Sequence in context: A076641 A076643 A326402 * A331626 A102235 A107272

Adjacent sequences:  A127201 A127202 A127203 * A127205 A127206 A127207

KEYWORD

base,nonn

AUTHOR

Eric Angelini, Mar 27 2007

STATUS

approved

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Last modified April 9 10:32 EDT 2020. Contains 333348 sequences. (Running on oeis4.)