login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A059484 Triangle T(n,k) = coefficient of x^n*y^k in 1/(1-x*y-x*y^2-x^2*y^3), read by rows in order 00, 10, 01, 20, 11, 02, ... 1

%I #7 Jun 29 2017 08:01:24

%S 1,0,0,0,1,0,0,0,1,0,0,0,1,0,0,0,0,0,3,0,0,0,0,0,1,1,0,0,0,0,0,0,5,0,

%T 0,0,0,0,0,0,1,5,0,0,0,0,0,0,0,0,7,1,0,0,0,0,0,0,0,0,1,13,0,0,0,0,0,0,

%U 0,0,0,0,9,7,0,0,0,0,0,0,0,0,0,0,1,25,1,0,0,0,0,0,0

%N Triangle T(n,k) = coefficient of x^n*y^k in 1/(1-x*y-x*y^2-x^2*y^3), read by rows in order 00, 10, 01, 20, 11, 02, ...

%H R. C. Read, <a href="http://cms.math.ca/cjm/v14/cjm1962v14.0001-0020.pdf">Contributions to the cell growth problem</a>, Canad. J. Math., 14 (1962), 1-20.

%p read transforms; 1/(1-x*y-x*y^2-x^2*y^3); SERIES2(%,x,y,12): SERIES2TOLIST(%,x,y,12);

%Y Row sums: A079973.

%K nonn,tabl,easy

%O 0,19

%A _N. J. A. Sloane_, Feb 04 2001

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 12 16:19 EDT 2024. Contains 375853 sequences. (Running on oeis4.)