A372597 Decimal expansion of (10/99)*log(10).

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

Offset

0,1

Links

Paolo Xausa, Table of n, a(n) for n = 0..10000

J. M. Borwein and P. B. Borwein, Strange Series and High Precision Fraud, The American Mathematical Monthly, Vol. 99, No. 7 (1992), pp. 622-640.

Formula

Equals Sum_{k >= 1} e(k)/(k*(k + 1)), where e(k) is the reflection of k through the decimal point (e.g., e(120) = 0.021). See Sum 6 in Borwein and Borwein (1992), p. 623.

Example

0.2325843528276813822240395408772085058182930796594720...

Mathematica

First[RealDigits[10*Log[10]/99, 10, 100]]

Crossrefs

Cf. A002392.

Sequence in context: A085818 A270709 A323382 * A064939 A248012 A151549

Adjacent sequences: A372594 A372595 A372596 * A372598 A372599 A372600

Keyword

nonn,cons

Author

Paolo Xausa, May 06 2024

Status

approved