Svoboda | Graniru | BBC Russia | Golosameriki | Facebook
login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

Revision History for A047447

(Underlined text is an addition; strikethrough text is a deletion.)

Showing entries 1-10 | older changes
A047447 Numbers that are congruent to {2, 3, 5, 6} mod 8.
(history; published version)
#20 by Charles R Greathouse IV at Thu Sep 08 08:44:57 EDT 2022
PROG

(MAGMAMagma) [n : n in [0..150] | n mod 8 in [2, 3, 5, 6]]; // Wesley Ivan Hurt, May 26 2016

Discussion
Thu Sep 08 08:44
OEIS Server: https://oeis.org/edit/global/2944
#19 by Joerg Arndt at Sat Dec 25 09:42:14 EST 2021
STATUS

reviewed

approved

#18 by Hugo Pfoertner at Sat Dec 25 09:35:19 EST 2021
STATUS

proposed

reviewed

#17 by Amiram Eldar at Sat Dec 25 03:48:03 EST 2021
STATUS

editing

proposed

#16 by Amiram Eldar at Sat Dec 25 03:41:26 EST 2021
FORMULA

Sum_{n>=1} (-1)^(n+1)/a(n) = (2-sqrt(2))*Pi/8. - Amiram Eldar, Dec 25 2021

STATUS

approved

editing

#15 by Joerg Arndt at Fri May 27 02:56:40 EDT 2016
STATUS

reviewed

approved

#14 by Michel Marcus at Fri May 27 02:00:08 EDT 2016
STATUS

proposed

reviewed

#13 by Ilya Gutkovskiy at Fri May 27 01:12:30 EDT 2016
STATUS

editing

proposed

#12 by Ilya Gutkovskiy at Fri May 27 01:12:21 EDT 2016
FORMULA

E.g.f.: (4 + sin(x) - cos(x) + (4*x - 1)*sinh(x) + (4*x - 3)*cosh(x))/2. - Ilya Gutkovskiy, May 27 2016

STATUS

proposed

editing

#11 by Wesley Ivan Hurt at Thu May 26 22:23:23 EDT 2016
STATUS

editing

proposed

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 17 22:21 EDT 2024. Contains 375233 sequences. (Running on oeis4.)