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A328759 Lexicographically earliest sequence of distinct positive numbers such that for any n > 0, the first nonzero digit of a(n+1)/a(n) is "8". 2
1, 8, 7, 6, 5, 4, 32, 26, 21, 17, 14, 12, 10, 80, 64, 52, 42, 34, 3, 24, 2, 16, 13, 11, 9, 72, 58, 47, 38, 31, 25, 20, 160, 128, 103, 83, 67, 54, 44, 36, 29, 232, 19, 152, 122, 98, 79, 65, 53, 43, 35, 28, 23, 184, 15, 120, 96, 77, 62, 50, 40, 33, 27, 22, 18 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

In other words, for any n > 0, we have an integer k such that floor(10^k * a(n+1)/a(n)) = 8.

LINKS

Rémy Sigrist, Table of n, a(n) for n = 1..10000

EXAMPLE

The first terms, alongside a(n+1)/a(n), are:

n a(n) a(n+1)/a(n)

-- ---- -----------

1 1 8

2 8 0.875

3 7 0.857142...

4 6 0.833333...

5 5 0.8

6 4 8

7 32 0.8125

8 26 0.807692...

9 21 0.809523...

10 17 0.823529...

11 14 0.857142...

12 12 0.833333...

CROSSREFS

See A328752 for similar sequences.

Sequence in context: A194756 A132672 A212410 * A132037 A247095 A124597

Adjacent sequences: A328756 A328757 A328758 * A328760 A328761 A328762

KEYWORD

nonn,base

AUTHOR

Rémy Sigrist, Oct 27 2019

STATUS

approved

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Last modified November 29 11:54 EST 2022. Contains 358424 sequences. (Running on oeis4.)