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A062943
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When expressed in base 7 and then interpreted in base 9, is a multiple of the original number.
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13
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0, 1, 2, 3, 4, 5, 6, 426, 428, 452, 880, 906, 932, 1360, 7687134, 53809938, 2571412221, 2582875882, 5016909933, 5154289245, 7736157463, 7748731389, 39728612701, 109634280128, 116779253264, 198109784526, 233617301990, 480974817878, 1011847148845, 1432434922737
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OFFSET
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1,3
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COMMENTS
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The terms I added (including those in the b-file) are all the remaining ones < 10^30. They have been computed by essentially using ideas from Giovanni Resta. - Dimiter Skordev, Jan 26 2020
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LINKS
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EXAMPLE
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426 in base 7 is 1146, which interpreted in base 9 is 852=2*426.
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MATHEMATICA
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Join[{0}, Select[Range[1400], Divisible[FromDigits[IntegerDigits[#, 7], 9], #]&]] (* Harvey P. Dale, Mar 29 2012 *)
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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