login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A068415 Engel expansion of log(Pi/2). 0
3, 3, 16, 36, 211, 971, 1546, 1619, 1676, 2781, 5016, 41282, 342476, 906352, 1023757, 1948794, 7848891, 13836275, 30581008, 38602286, 170598710, 379204788, 619298045, 725045787, 1682291679, 24640189358, 24751265017, 104930341224, 139089631515, 463053103677 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..30.

PROG

(PARI) r=log(Pi/2); for(i=1, 30, s=r*ceil(1/r)-1; print1(ceil(1/r), ", "); r=s); /* Georg Fischer, Nov 20 2020 */

CROSSREFS

Cf. A094642.

Sequence in context: A222847 A278309 A048234 * A127539 A342837 A278627

Adjacent sequences:  A068412 A068413 A068414 * A068416 A068417 A068418

KEYWORD

easy,nonn

AUTHOR

Benoit Cloitre, Mar 03 2002

EXTENSIONS

a(1) corrected and a(28)-a(30) from Georg Fischer, Nov 20 2020

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 28 16:34 EST 2021. Contains 349413 sequences. (Running on oeis4.)