Theta series of (putative) extremal 2-modular even lattice in dimension 20.

A034599

Theta series of (putative) extremal 2-modular even lattice in dimension 20.

Terms

    a(0) =1a(1) =0a(2) =3960a(3) =168960a(4) =2094840a(5) =16625664a(6) =80652000a(7) =343664640a(8) =1073639160a(9) =3299450880a(10) =8000389584a(11) =20081064960a(12) =41278084320a(13) =90307768320a(14) =165298921920a(15) =327406565376a(16) =549720551160

External references