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 A001738 a(n) = n^2 written in base 3. 4
 0, 1, 11, 100, 121, 221, 1100, 1211, 2101, 10000, 10201, 11111, 12100, 20021, 21021, 22100, 100111, 101201, 110000, 111101, 112211, 121100, 122221, 201121, 210100, 212011, 221001, 1000000, 1002001, 1011011, 1020100, 1022121, 1101221, 1111100, 1120211 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS T. D. Noe, Table of n, a(n) for n = 0..1000 FORMULA a(n) = A007089(A000290(n)). - Jason Kimberley, Dec 13 2012 MATHEMATICA Table[FromDigits[IntegerDigits[n^2, 3]], {n, 0, 50}] (* T. D. Noe, Aug 10 2012 *) CROSSREFS Cf. A007089, A000290. Sequence in context: A288017 A288440 A288047 * A120655 A018203 A081906 Adjacent sequences: A001735 A001736 A001737 * A001739 A001740 A001741 KEYWORD base,easy,nonn AUTHOR N. J. A. Sloane STATUS approved

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Last modified August 13 18:32 EDT 2024. Contains 375144 sequences. (Running on oeis4.)