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Numbers having one 7 in base 9.
0

%I #8 Apr 24 2021 21:04:05

%S 7,16,25,34,43,52,61,63,64,65,66,67,68,69,71,79,88,97,106,115,124,133,

%T 142,144,145,146,147,148,149,150,152,160,169,178,187,196,205,214,223,

%U 225,226,227,228,229,230,231,233,241,250,259

%N Numbers having one 7 in base 9.

%Y Cf. A007095.

%K nonn,base

%O 1,1

%A _Clark Kimberling_