The On-Line Encyclopedia of Integer Sequences (OEIS)

Revisions by Antonio Graciá Llorente (See also Antonio Graciá Llorente's wiki page)

(Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A001620

Decimal expansion of Euler's constant (or the Euler-Mascheroni constant), gamma.
(history; published version)

#432 by Antonio Graciá Llorente at Fri Jan 10 08:26:17 EST 2025

STATUS

editing

proposed

#431 by Antonio Graciá Llorente at Fri Jan 10 08:25:29 EST 2025

FORMULA

Equals Sum_{j>=1} Sum_{k>=1} ((zeta(j+k)-1)/(j+k)). - Antonio Graciá Llorente, Jan 08 2025

STATUS

reviewed

editing

Discussion

Fri Jan 10

08:26

Antonio Graciá Llorente: sorry didnt see Equals Sum_{n>=1} n*(zeta(n+1) - 1)/(n + 1) [Euler] (see Finch at p. 30).

#429 by Antonio Graciá Llorente at Wed Jan 08 19:18:21 EST 2025

STATUS

editing

proposed

#428 by Antonio Graciá Llorente at Wed Jan 08 19:16:46 EST 2025

FORMULA

Equals Sum_{j>=1} Sum_{k>=1} ((zeta(j+k)-1)/(j+k)). - Antonio Graciá Llorente, Jan 08 2025

STATUS

approved

editing

A002193

Decimal expansion of square root of 2.
(history; published version)

#254 by Antonio Graciá Llorente at Thu Dec 19 18:29:49 EST 2024

STATUS

editing

proposed

#253 by Antonio Graciá Llorente at Thu Dec 19 18:29:41 EST 2024

FORMULA

Equals Product_{k>=1} (2*k + 1)/((2*k + 1) + (-1)^k).

STATUS

proposed

editing

#252 by Antonio Graciá Llorente at Thu Dec 19 18:21:47 EST 2024

STATUS

editing

proposed

#251 by Antonio Graciá Llorente at Thu Dec 19 18:21:44 EST 2024

FORMULA

Equals Product_{k>=0} (6*k + 3)/((6*k + 3) - (-1)^k).

STATUS

proposed

editing

A278928

Decimal expansion of sqrt(sqrt(2) + 1).
(history; published version)

#56 by Antonio Graciá Llorente at Thu Dec 19 10:36:08 EST 2024

STATUS

editing

proposed

#55 by Antonio Graciá Llorente at Thu Dec 19 10:35:57 EST 2024

FORMULA

Equals Product_{k>=0} coth(Pi/4 + k*Pi/2). - Antonio Graciá Llorente, Dec 19 2024

STATUS

approved

editing