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

Author

Paolo Xausa, May 06 2024

Keywords

• nonn
• cons

Examples

			0.2325843528276813822240395408772085058182930796594720...
		

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.
• Index entries for transcendental numbers

Crossrefs

Cf. A002392.

Programs

Mathematica

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

PARI

log(10)*10/99 \\ Charles R Greathouse IV, Nov 21 2024

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.