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A043474
Numbers having two 5's in base 9.
0
50, 131, 212, 293, 374, 410, 419, 428, 437, 446, 450, 451, 452, 453, 454, 456, 457, 458, 464, 473, 482, 536, 617, 698, 779, 860, 941, 1022, 1103, 1139, 1148, 1157, 1166, 1175, 1179, 1180, 1181, 1182, 1183, 1185, 1186, 1187, 1193
OFFSET
1,1
MATHEMATICA
Select[Range[1200], DigitCount[#, 9, 5]==2&] (* Harvey P. Dale, Sep 01 2021 *)
CROSSREFS
Cf. A007095.
Sequence in context: A031397 A045181 A093194 * A044301 A044682 A200881
KEYWORD
nonn,base
STATUS
approved