A242011 -id:A242011 - cp's OEIS frontend

A373563 Decimal expansion of Sum_{k>=0} (-1)^(k+1)* log(4k+1)/(4k+1) .

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

Offset: 0

R. J. Mathar, Jun 10 2024

			0.1854727068218410592249011645096416546113...

Cf. A373564, A242011.

sumalt(k = 0, (-1)^(k+1) * log(4*k+1)/(4*k+1)) \\ Amiram Eldar, Aug 20 2024

Equals A373564 - A242011.

A373564 Decimal expansion of Sum_{k>=0} (-1)^k * log(4k+3)/(4k+3) .

Original entry on oeis.org

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

Offset: 0

R. J. Mathar, Jun 10 2024

			0.2084772946845770695428937666547886...

Cf. A091812, A373563, A242011.

sumalt(k = 0, (-1)^k * log(4*k+3)/(4*k+3)) \\ Amiram Eldar, Aug 20 2024

this - A373563 = A242011.

cp's OEIS Frontend

A373563 Decimal expansion of Sum_{k>=0} (-1)^(k+1)* log(4k+1)/(4k+1) .

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