The OEIS is supported by the many generous donors to the OEIS Foundation.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
%I #9 Mar 20 2023 09:31:10
%S 1,2,3,4,5,6,28,29,30,31,32,33,34,54,55,99,100,101,102,103,104,126,
%T 127,128,129,130,131,132,153,175,176,177,178,179,198,199,200,201,202,
%U 225,226,227,228,229,230,245,246,247,248,249,250
%N Numbers whose base-7 and base-9 expansions have the same digit sum.
%t Select[Range[300],Total[IntegerDigits[#,7]]==Total[IntegerDigits[#,9]]&] (* _Harvey P. Dale_, Mar 20 2023 *)
%K nonn,base
%O 1,2
%A _Clark Kimberling_