A393088 Decimal expansion of 5/36 - log(2)/6.

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

Offset

0,2

References

Konrad Knopp, Theory and application of infinite series, Blackie & Son Limited, London and Glasgow, 1954. See exercise 107 at page 268.

Links

Table of n, a(n) for n=0..100.

Michael I. Shamos, A catalog of the real numbers, (2007). See p. 55.

Index entries for transcendental numbers.

Formula

Equals Sum_{k>=0} (-1)^k/((2*k + 1)*(2*k + 2)*(2*k + 4)*(2*k + 5)).

Example

0.0233643587955646706526835353125261275429721998...

Mathematica

Join[{0}, RealDigits[5/36-Log[2]/6, 10, 100][[1]]]

Crossrefs

Cf. A002162, A069079.

Sequence in context: A345385 A071915 A182578 * A021432 A274824 A141729

Adjacent sequences: A393085 A393086 A393087 * A393089 A393090 A393091

Keyword

nonn,cons,easy

Author

Stefano Spezia, Feb 01 2026

Status

approved