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A062889 When expressed in base 3 and then interpreted in base 8, is a multiple of the original number. 11

%I #10 Mar 03 2023 13:34:49

%S 0,1,2,5,11,12,23,24,33,36,50,69,72,120,132,144,240,288,360,396,432,

%T 576,720,931,1188,1296,1394,1440,2210,2753,2793,2880,3120,3600,3720,

%U 4320,6168,7200,8259,9360,11160,11352,12960,14400,18504,18720,21600,26174,28800,32544,34056,37440

%N When expressed in base 3 and then interpreted in base 8, is a multiple of the original number.

%e 11 in base 3 is 102, which interpreted in base 8 is 66 = 6*11.

%t m38Q[n_]:=Divisible[FromDigits[IntegerDigits[n,3],8],n]; Join[ {0},Select[ Range[22000],m38Q]] (* _Harvey P. Dale_, May 05 2021 *)

%K base,nonn

%O 1,3

%A _Erich Friedman_, Jul 21 2001

%E Offset changed to 1 and 5 more terms from _Georg Fischer_, Mar 03 2023

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Last modified May 8 19:26 EDT 2024. Contains 372341 sequences. (Running on oeis4.)