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Numbers whose median of the digits is equal to 7.
7

%I #12 Oct 06 2023 11:02:18

%S 7,59,68,77,86,95,177,178,179,187,197,277,278,279,287,297,377,378,379,

%T 387,397,477,478,479,487,497,577,578,579,587,597,677,678,679,687,697,

%U 707,708,709,717,718,719,727,728,729,737,738,739,747,748,749,757,758,759

%N Numbers whose median of the digits is equal to 7.

%e 59 is a term since the median of the digits 5 and 9 is (5+9)/2 = 7;

%e 177 is a term since the median of the digits 1, 7, and 7 is 7.

%t Select[Range[0,760], Median[IntegerDigits[#]]==7&]

%Y Cf. A292730 (median = 0), A292739 (median = 9), A366207 (median = 1), A366208 (median = 2), A366209 (median = 3), A366210 (median = 4), A366211 (median = 5), A366212 (median = 6), A366214 (median = 8).

%K nonn,base,easy

%O 1,1

%A _Stefano Spezia_, Oct 04 2023