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 A284067 #12 Sep 08 2022 08:46:19 %S A284067 6,66,67,68,69,76,86,96,666,667,668,669,676,677,678,679,686,687,688, %T A284067 689,696,697,698,699,766,767,768,769,776,786,796,866,867,868,869,876, %U A284067 886,896,966,967,968,969,976,986,996,6666,6667,6668,6669,6676,6677,6678 %N A284067 Numbers whose smallest decimal digit is 6. %C A284067 Numbers n such that A054054(n) = 6. %C A284067 Prime terms are in A106106. %t A284067 Select[Range[1000], Min[IntegerDigits[#]] == 6 &] (* _Giovanni Resta_, Mar 23 2017 *) %o A284067 (Magma) [n: n in [1..100000] | Minimum(Setseq(Set(Sort(&cat[Intseq(n)])))) eq 6] %o A284067 (PARI) isok(n) = vecmin(digits(n)) == 6; \\ _Michel Marcus_, Mar 25 2017 %Y A284067 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), A284066 (k = 5), this sequence (k = 6), A284068 (k = 7), A284069 (k = 8), A002283 (k = 9). %K A284067 nonn,base %O A284067 1,1 %A A284067 _Jaroslav Krizek_, Mar 23 2017