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.
%I A209932 #9 Dec 03 2021 14:43:10 %S A209932 10,20,30,40,50,60,70,80,90,100,101,102,103,104,105,106,107,108,109, %T A209932 110,120,130,140,150,160,170,180,190,200,201,202,203,204,205,206,207, %U A209932 208,209,210,212,214,216,218,220,230,240,250,260,270,280,290,300,301,302,303,304,305,306,307,308,309,310,312,315,318,320,321,324,327,330,340,350,360,370,380,390,400 %N A209932 Numbers n such that smallest digit of all divisors of n is 0. %C A209932 Also numbers n such that smallest digit of concatenation of all divisors of n (A037278 or A176558) is 0. %C A209932 Sequence is not the same as A011540, first deviation is at a(41): A011540(41) = 220, a(41) = 214. %e A209932 Number 214 is in sequence because smallest digit of all divisors of 214 (1, 2, 107, 214) is 0. %t A209932 Select[Range[400],Min[Flatten[IntegerDigits/@Divisors[#]]]==0&] (* _Harvey P. Dale_, Dec 03 2021 *) %Y A209932 Cf. A209929 (smallest digit of all divisors of n), complement of A209931. %K A209932 nonn,base %O A209932 1,1 %A A209932 _Jaroslav Krizek_, Mar 20 2012 %E A209932 Corrected and extended by _Harvey P. Dale_, Dec 03 2021