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%I A284066 #12 Sep 08 2022 08:46:19
%S A284066 5,55,56,57,58,59,65,75,85,95,555,556,557,558,559,565,566,567,568,569,
%T A284066 575,576,577,578,579,585,586,587,588,589,595,596,597,598,599,655,656,
%U A284066 657,658,659,665,675,685,695,755,756,757,758,759,765,775,785,795,855
%N A284066 Numbers whose smallest decimal digit is 5.
%C A284066 Numbers n such that A054054(n) = 5.
%C A284066 Prime terms are in A106105.
%t A284066 Select[Range[1000], Min[IntegerDigits[#]] == 5 &] (* _Giovanni Resta_, Mar 23 2017 *)
%o A284066 (Magma) [n: n in [1..100000] | Minimum(Setseq(Set(Sort(&cat[Intseq(n)])))) eq 5]
%o A284066 (PARI) isok(n) = vecmin(digits(n)) == 5; \\ _Michel Marcus_, Mar 25 2017
%Y A284066 Cf. Sequences of numbers whose smallest decimal digit is k (for k = 0..9): A011540 (k = 0), A284062 (k = 1), A284063 (k = 2), A284064 (k = 3), A284065 (k = 4), this sequence (k = 5), A284067 (k = 6), A284068 (k = 7), A284069 (k = 8), A002283 (k = 9).
%K A284066 nonn,base
%O A284066 1,1
%A A284066 _Jaroslav Krizek_, Mar 23 2017

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