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!)
A056949 J(1)*theta3(z) where J(1) is the series given by A056948. 2

%I #3 Feb 24 2006 03:00:00

%S 1,2,0,-2,24,52,0,32556,195984,261626,0,3736682,16779168,18348900,0,

%T 103018596,397998672,376729140,0,1334328534,4629497040,3937811168,0,

%U 10792678852,34417510848,26962705262,0,62783490188,187489533504,138066125924,0,287105737648,814881802320

%N J(1)*theta3(z) where J(1) is the series given by A056948.

%C a(4n) gives the series A056948(n). It seems only a(3) is negative. What are a(4n+1), a(4n+3)?

%D Eichler and Zagier, The Theory of Jacobi form, Birkhauser, 1985

%F (E_8*E_{4, 1}-56*E_{12, 1})*theta_3(z)

%Y Cf. A056947, A056948.

%K sign

%O 0,2

%A Kok Seng Chua (chuaks(AT)ihpc.nus.edu.sg), Jul 17 2000

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 April 24 14:18 EDT 2024. Contains 371960 sequences. (Running on oeis4.)