Average theta series of odd unimodular lattices of dimension 20 (multiplied by 31).
A029821
Average theta series of odd unimodular lattices of dimension 20 (multiplied by 31).
Terms
- a(0) =31a(1) =8a(2) =4104a(3) =157472a(4) =2093064a(5) =15625008a(6) =80783136a(7) =322828864a(8) =1071640584a(9) =3099521384a(10) =8015629104a(11) =18863581536a(12) =41199871776a(13) =84835994992a(14) =165611207232a(15) =307562657472a(16) =548679970824a(17) =948703011984
External references
- oeis: A029821