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%I #6 Mar 01 2023 13:18:43
%S 9,28,48,68,88,108,128,148,168,171,173,175,177,179,181,183,185,187,
%T 188,189,217,247,277,307,337,367,397,427,457,461,464,467,470,473,476,
%U 479,482,485,487,488,517,547,577,607,637,667,697
%N Position of n-th 9 in A031298.
%Y Cf. A031298.
%K nonn
%O 1,1
%A _Clark Kimberling_