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!)
A022867 a(n) = [ a(n-1)/a(1) + a(n-1)/a(2) + ... + a(n-1)/a(n-1) ] for n >= 3. 0
2, 2, 2, 3, 5, 10, 21, 45, 99, 219, 485, 1076, 2389, 5306, 11786, 26182, 58164, 129215, 287062, 637734, 1416785, 3147520, 6992512, 15534524, 34511410, 76670354, 170330428, 378405125, 840662707, 1867611566, 4149075406 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..31.

CROSSREFS

A022861 shifted right.

Sequence in context: A059690 A330310 A121256 * A268595 A299019 A070610

Adjacent sequences:  A022864 A022865 A022866 * A022868 A022869 A022870

KEYWORD

nonn

AUTHOR

Clark Kimberling

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 May 9 18:36 EDT 2021. Contains 343744 sequences. (Running on oeis4.)