cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A201014 Composite numbers (include 0) whose product of digits is 0.

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%I A201014 #9 Jul 27 2022 13:06:24
%S A201014 0,10,20,30,40,50,60,70,80,90,100,102,104,105,106,108,110,120,130,140,
%T A201014 150,160,170,180,190,200,201,202,203,204,205,206,207,208,209,210,220,
%U A201014 230,240,250,260,270,280,290,300,301,302,303,304,305,306,308,309,310,320
%N A201014 Composite numbers (include 0) whose product of digits is 0.
%C A201014 Complement of A056709 with respect to  A011540. Subsequence of A199978 (nonprime numbers (including 0) whose multiplicative digital root is 0).
%e A201014 Number 102 is in sequence because 1*0*2=0.
%t A201014 Join[{0},Select[Range[400],CompositeQ[#]&&DigitCount[#,10,0]>0&]] (* _Harvey P. Dale_, Jul 27 2022 *)
%Y A201014 Cf. A056709 (primes whose product of digits is 0), A034052 (numbers whose product of digits is 0).
%K A201014 nonn,base
%O A201014 1,2
%A A201014 _Jaroslav Krizek_, Nov 25 2011