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A136400 Replace all digits greater than 1 by 1 (in decimal representation). +0
2
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 11, 11 (list; graph; listen)
OFFSET

0,11

COMMENT

A054055(a(n)) <= 1; A064770(a(n)) = a(n).

LINKS

R. Zumkeller, Table of n, a(n) for n = 0..9999

FORMULA

a(n) = A064770(A064770(n)) .

CROSSREFS

Sequence in context: A004288 A065016 A087381 this_sequence A121266 A045988 A008947

Adjacent sequences: A136397 A136398 A136399 this_sequence A136401 A136402 A136403

KEYWORD

nonn,base

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Dec 30 2007

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.


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