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 A180692 12^a(n) is smallest power of 12 beginning with n. 4
 0, 4, 7, 8, 9, 10, 11, 12, 25, 13, 26, 1, 27, 2, 15, 28, 3, 16, 29, 4, 42, 17, 30, 5, 43, 18, 56, 31, 6, 44, 19, 57, 95, 32, 7, 45, 83, 20, 58, 134, 33, 8, 46, 84, 122, 21, 97, 135, 34, 72, 9, 47, 85, 123, 22, 60, 98, 136, 35, 73, 10, 149, 48, 86, 124, 23, 61, 200, 99, 36, 175, 74 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS D. Mondot, Table of n, a(n) for n=1..32699 MATHEMATICA With[{p=12^Range[0, 300]}, Flatten[Table[Position[p, _?(Take[ IntegerDigits[ #], IntegerLength[n]]==IntegerDigits[n]&), 1, 1], {n, 80}]]]-1//Quiet (* Harvey P. Dale, Mar 03 2018 *) CROSSREFS Cf. A180690, A180691, A180694 Sequence in context: A082390 A011517 A000934 * A004710 A060257 A262874 Adjacent sequences: A180689 A180690 A180691 * A180693 A180694 A180695 KEYWORD base,nonn AUTHOR Daniel Mondot, Sep 17 2010 STATUS approved

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Last modified August 14 18:32 EDT 2024. Contains 375166 sequences. (Running on oeis4.)