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A031961 Numbers with exactly three distinct base-9 digits. 1
83, 84, 85, 86, 87, 88, 89, 99, 102, 103, 104, 105, 106, 107, 108, 110, 112, 113, 114, 115, 116, 117, 119, 120, 122, 123, 124, 125, 126, 128, 129, 130, 132, 133, 134, 135, 137, 138, 139, 140, 142, 143, 144, 146, 147, 148, 149 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..47.

CROSSREFS

Cf. A007095.

Sequence in context: A247442 A106428 A106418 * A108751 A256520 A130286

Adjacent sequences: A031958 A031959 A031960 * A031962 A031963 A031964

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified December 8 01:51 EST 2022. Contains 358672 sequences. (Running on oeis4.)