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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A020933 Expansion of (1-4*x)^(21/2). 1

%I

%S 1,-42,798,-9044,67830,-352716,1293292,-3325608,5819814,-6466460,

%T 3879876,-705432,-117572,-54264,-38760,-36176,-40698,-52668,-76076,

%U -120120,-204204,-369512,-705432,-1410864,-2939300,-6348888,-14162904

%N Expansion of (1-4*x)^(21/2).

%K sign

%O 0,2

%A _N. J. A. Sloane_.

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 23 09:20 EDT 2019. Contains 321424 sequences. (Running on oeis4.)