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A244957
Smallest positive multiple of n whose base-6 representation contains only 0's and 1's.
1
1, 6, 6, 36, 1555, 6, 7, 216, 36, 9330, 253, 36, 1339, 42, 9330, 1296, 1513, 36, 7999, 55980, 42, 1518, 253, 216, 9325, 8034, 216, 252, 47995, 9330, 217, 7776, 1518, 9078, 12093235, 36, 37, 47994, 8034, 335880, 46699, 42, 43, 9108, 55980, 1518, 48175, 1296
OFFSET
1,2
LINKS
Ed Pegg Jr., 'Binary' Puzzle
Eric M. Schmidt, Sage code to compute this sequence (use b=6)
Chai Wah Wu, Pigeonholes and repunits, Amer. Math. Monthly, 121 (2014), 529-533.
MATHEMATICA
Module[{nn=10, b6}, b6=Rest[FromDigits[#, 6]&/@Tuples[{0, 1}, nn]]; Table[SelectFirst[ b6, Mod[#, n]==0&], {n, 100}]] (* Harvey P. Dale, Feb 03 2024 *)
CROSSREFS
Cf. A004286 (written in base 6), A004290, A244954-A244960.
Sequence in context: A215270 A203057 A165424 * A186982 A196075 A156099
KEYWORD
nonn,base
AUTHOR
Eric M. Schmidt, Jul 09 2014
EXTENSIONS
Data corrrected, offset corrected, and b-file replaced by Harvey P. Dale, Feb 03 2024
STATUS
approved