A130428 - OEIS

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A130428

List of numbers n such that n is equal to the number of 6's in the decimal digits of all numbers <= n.

0, 9500000000, 9628399986, 9628399987, 9628399988, 9628399989, 9628399990, 9628399991, 9628399992, 9628399993, 9628399994, 9628399995, 10000000000, 19500000000, 19628399986, 19628399987, 19628399988, 19628399989

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OFFSET

1,2

COMMENTS

A finite sequence with 72 terms.

LINKS

Graeme McRae, May 26 2007, Table of n, a(n) for n = 1..72 (full sequence)

Tanya Khovanova and Gregory Marton, Archive Labeling Sequences, arXiv:2305.10357 [math.HO], 2023. See p. 4.

EXAMPLE

a(5)=9628399988 because the number of 6's in the decimal digits of the numbers from 0 to 9628399988 is 9628399988 and this is the 5th such number.

CROSSREFS

Cf. A014778 for proof these sequences are finite; Also A101639, A101640, A101641, A130427, A130429, A130430, A130431; Cf. A130432 for the number of numbers in these sequences.

Sequence in context: A130430 A172610 A225143 * A354716 A256622 A359344

Adjacent sequences: A130425 A130426 A130427 * A130429 A130430 A130431

KEYWORD

base,fini,full,nonn

AUTHOR

Graeme McRae, May 26 2007

STATUS

approved