A043474 Numbers having two 5's in base 9.

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

Links

Table of n, a(n) for n=1..43.

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

Adjacent sequences: A043471 A043472 A043473 * A043475 A043476 A043477

Keyword

nonn,base

Author

Clark Kimberling

Status

approved