A385855 Decimal expansion of log_10(1 + 1/7).

5, 7, 9, 9, 1, 9, 4, 6, 9, 7, 7, 6, 8, 6, 7, 5, 4, 9, 2, 9, 0, 0, 0, 4, 2, 5, 5, 8, 0, 8, 4, 2, 8, 8, 6, 8, 2, 0, 9, 9, 7, 2, 4, 8, 0, 6, 2, 3, 6, 0, 2, 1, 7, 4, 2, 7, 6, 4, 7, 4, 2, 9, 6, 6, 3, 0, 7, 1, 1, 2, 7, 9, 2, 1, 1, 9, 4, 3, 6, 2, 3, 9, 4, 6, 7, 0, 2

Offset

-1,1

Comments

Probability that 7 occurs as the first significant digit in data collections according to Benford's law (see A007524).

Links

Table of n, a(n) for n=-1..85.

Eric Weisstein's World of Mathematics, Benford's Law.

Wikipedia, Benford's law.

Example

0.057991946977686754929...

Mathematica

RealDigits[Log[10, 8/7], 10, 90][[1]]

Crossrefs

Cf. Benford's law for digit: A007524 (1), A104140 (9), A154203 (5), A154580 (2), A385659 (3), A385853 (4), A385854 (6).

Sequence in context: A242742 A323602 A164029 * A364681 A143730 A354454

Adjacent sequences: A385852 A385853 A385854 * A385856 A385857 A385858

Keyword

nonn,cons,easy

Author

Marco Ripà, Jul 10 2025

Status

approved