A031961 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A031961

Numbers with exactly three distinct base-9 digits.

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