login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A025200 s(n) = [ S3/S1 ], where S3 and S1 are, respectively, the 3rd and first elementary symmetric functions of {sqrt(k), k = 1,2,...,n} ]. 0
0, 2, 5, 11, 18, 28, 42, 60, 82, 107, 140, 176, 218, 267, 324, 389, 455, 538, 622, 726, 830, 945, 1072, 1211, 1363, 1513, 1692, 1868, 2076, 2282, 2502, 2759, 3013, 3283, 3572, 3854 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,2

LINKS

Table of n, a(n) for n=2..37.

CROSSREFS

Sequence in context: A226215 A169745 A171769 * A264724 A298375 A260037

Adjacent sequences:  A025197 A025198 A025199 * A025201 A025202 A025203

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 26 17:17 EDT 2019. Contains 323597 sequences. (Running on oeis4.)