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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A047090 Sum{T(i,n-i): i=0,1,...,n}, array T as in A047089. 0
1, 2, 3, 6, 12, 21, 42, 84, 155, 310, 620, 1176, 2352, 4704, 9071, 18142, 36284, 70717, 141434, 282868, 555268, 1110536, 2221072, 4381656, 8763312, 17526624, 34697879, 69395758, 138791516, 275467455, 550934910, 1101869820, 2191008499 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..32.

CROSSREFS

Sequence in context: A227940 A081156 A082877 * A185265 A018178 A112575

Adjacent sequences:  A047087 A047088 A047089 * A047091 A047092 A047093

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 16 00:11 EST 2018. Contains 317252 sequences. (Running on oeis4.)