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!)
A033326 [ 6/n ]. 1
6, 3, 2, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..92.

FORMULA

a(n)=6*[C(2*n,n) mod 2]+3*{C[(n+1)^2,n+3] mod 2}+2*[C(n^2,n+2) mod 2]+{C[(n+11)^4,n+13] mod 2}+{C[(n+10)^4,n+12] mod 2}+{C[(n+9)^4,n+11] mod 2} - Paolo P. Lava, Jan 07 2008

CROSSREFS

Sequence in context: A122178 A126445 A277435 * A068996 A068924 A106224

Adjacent sequences:  A033323 A033324 A033325 * A033327 A033328 A033329

KEYWORD

easy,nonn

AUTHOR

Jeff Burch

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 March 2 09:56 EST 2021. Contains 341746 sequences. (Running on oeis4.)