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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A097307 Row sums of array A097306. 1
1, 1, 3, 3, 6, 8, 13, 15, 26, 31, 46, 56, 81, 95, 140, 160, 221, 261, 351, 406, 548, 626, 820, 945, 1221, 1393, 1788, 2035, 2566, 2928, 3656, 4139, 5146, 5810, 7148, 8078, 9850, 11086, 13461, 15116, 18214, 20441, 24489, 27400, 32708, 36516, 43329, 48345 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..48.

FORMULA

a(n)=sum(A097306, m=1..ceiling(n/2)).

CROSSREFS

Sequence in context: A174524 A143592 A280197 * A026804 A240213 A205970

Adjacent sequences:  A097304 A097305 A097306 * A097308 A097309 A097310

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang, Aug 13 2004

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 | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 15 04:43 EDT 2018. Contains 316200 sequences. (Running on oeis4.)