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A072440 3-smooth numbers k with decimal digits <= 3. 0

%I #16 Aug 04 2021 14:49:13

%S 1,2,3,12,32,13122

%N 3-smooth numbers k with decimal digits <= 3.

%C Possibly the sequence is finite/full (?next term > 10^11).

%C No more terms less than 10^10000. - _David Radcliffe_, Aug 04 2021

%e Digits of 13122 are <= 3 and 13122=2*3^8, therefore 13122 is a term.

%Y Cf. A003586.

%K nonn,base,more

%O 1,2

%A _Reinhard Zumkeller_, Aug 01 2002

%E Definition corrected by _Georg Fischer_, Aug 04 2021

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Last modified April 20 02:14 EDT 2024. Contains 371798 sequences. (Running on oeis4.)