0,3
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
J. O. Shallit, personal communication.
Michael Gilleland, Some Self-Similar Integer Sequences
Sequence in context: A154589 A125560 A046573 this_sequence A087225 A076064 A016685
Adjacent sequences: A006284 A006285 A006286 this_sequence A006288 A006289 A006290
nonn,base
N. J. A. Sloane (njas(AT)research.att.com).
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