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%I #17 Jan 14 2024 12:54:24
%S 0,10,30,50,70,90,110,130,150,170,190,191,194,197,200,203,206,209,212,
%T 215,218,220,250,280,310,340,370,400,430,460,490,491,494,497,500,503,
%U 506,509,512,515,518,520,550,580,610,640,670,700
%N Position of n-th 0 in A031298.
%o (PARI) T(n, k) = n\10^(k-1)%10; \\ A031298
%o lista(nn) = my(j=0, list = List()); for (n=0, nn, for (k=1, #Str(n), if (T(n,k) == 0, listput(list, j)); j++;);); Vec(list); \\ _Michel Marcus_, Jan 26 2023
%Y Cf. A031298.
%K nonn
%O 1,2
%A _Clark Kimberling_
%E 0 added by _Arkadiusz Wesolowski_, Jan 10 2012
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