The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A175380

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A175380

Decimal expansion of Gamma(1/5).
(history; published version)

#30 by Charles R Greathouse IV at Thu Sep 08 08:45:51 EDT 2022

PROG

(MAGMAMagma) SetDefaultRealField(RealField(100)); Gamma(1/5); // G. C. Greubel, Mar 10 2018

Discussion

Thu Sep 08

08:45

OEIS Server: https://oeis.org/edit/global/2944

#29 by R. J. Mathar at Sun Jan 17 09:00:27 EST 2021

STATUS

editing

approved

#28 by R. J. Mathar at Sun Jan 17 08:57:21 EST 2021

FORMULA

Equals Pi * sqrt(2) * sqrt(5 + sqrt(5)) / (sqrt(5) * Gamma(4/5) ) = A063448 * sqrt(5 + A002163) / (A002163 * Gamma(4/5)) where Gamma(4/5) = 1.1642297..A340722.

STATUS

approved

editing

#27 by Bruno Berselli at Mon Mar 12 04:55:38 EDT 2018

STATUS

reviewed

approved

#26 by Michel Marcus at Mon Mar 12 04:22:00 EDT 2018

STATUS

proposed

reviewed

#25 by G. C. Greubel at Sun Mar 11 22:16:41 EDT 2018

STATUS

editing

proposed

#24 by G. C. Greubel at Sun Mar 11 22:16:38 EDT 2018

PROG

(MAGMA) SetDefaultRealField(R); R:= RealField(100)); Gamma(1/5); // G. C. Greubel, Mar 10 2018

#23 by Jon E. Schoenfield at Sun Mar 11 03:13:59 EDT 2018

STATUS

proposed

editing

#22 by G. C. Greubel at Sat Mar 10 21:38:19 EST 2018

STATUS

editing

proposed

Discussion

Sun Mar 11

03:13

Jon E. Schoenfield: Magma code here doesn't work (same problem as in other recent drafts).

#21 by G. C. Greubel at Sat Mar 10 21:38:12 EST 2018

PROG

(MAGMA) SetDefaultRealField(R); R:= 100; Gamma(1/5); // G. C. Greubel, Mar 10 2018

STATUS

approved

editing