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 A104321 Smallest number m such that A104320(m)=n. 3
 0, 5, 8, 18, 13, 26, 27, 23, 42, 25, 37, 58, 47, 46, 61, 67, 54, 71, 77, 73, 88, 99, 141, 100, 115, 114, 119, 117, 113, 112, 109, 135, 110, 127, 133, 136, 164, 162, 177, 186, 193, 195, 163, 189, 201, 196, 191, 199, 206, 188, 208, 200, 221, 266, 235, 234, 238, 280 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS A104320(a(n))=n and A104320(m)<>n for m 10^5. - Michel Marcus, Oct 19 2016 LINKS Michel Marcus, Table of n, a(n) for n = 0..114 PROG (PARI) a(n) = {my(k = 0); while (#select(x->(x==0), digits(2^k, 3)) != n, k++); k; } \\ Michel Marcus, Oct 19 2016 CROSSREFS Cf. A036462. Sequence in context: A246638 A192170 A280251 * A196934 A291752 A237276 Adjacent sequences:  A104318 A104319 A104320 * A104322 A104323 A104324 KEYWORD nonn AUTHOR Reinhard Zumkeller, Mar 01 2005 STATUS approved

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Last modified November 18 01:20 EST 2018. Contains 317279 sequences. (Running on oeis4.)