

A091091


Numbers needing in binary and ternary representation an equal minimal number of editing steps (delete, insert or substitute) to transform them into their square.


2



0, 1, 5, 6, 8, 11, 13, 16, 17, 18, 19, 33, 35, 38, 40, 56, 60, 74, 122, 123, 133, 143, 146, 164, 168, 173, 299, 350, 365, 429, 497, 515, 527, 564, 566, 593, 608, 611, 710, 1031, 1050, 1052, 1059, 1088, 1089, 1090, 1092, 1096, 1105, 1287, 1301, 1316, 1322
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OFFSET

1,3


COMMENTS

A091092(a(n)) = A091093(a(n)).


LINKS

Table of n, a(n) for n=1..53.
Michael Gilleland, Levenshtein Distance [It has been suggested that this algorithm gives incorrect results sometimes.  N. J. A. Sloane]
Eric Weisstein's World of Mathematics, Square Number
Eric Weisstein's World of Mathematics, Binary
Eric Weisstein's World of Mathematics, Ternary


CROSSREFS

Cf. A007088, A001737, A007089, A001738, A000290.
Sequence in context: A279646 A291640 A088766 * A262161 A290744 A120151
Adjacent sequences: A091088 A091089 A091090 * A091092 A091093 A091094


KEYWORD

nonn,base


AUTHOR

Reinhard Zumkeller, Dec 18 2003


STATUS

approved



