Molien series for symmetrized weight enumerators of doubly-even Euclidean self-dual codes over the Galois ring GR(4,2).

A099752

Molien series for symmetrized weight enumerators of doubly-even Euclidean self-dual codes over the Galois ring GR(4,2).

Terms

    a(0) =1a(1) =2a(2) =8a(3) =32a(4) =119a(5) =438a(6) =1483a(7) =4463a(8) =12121a(9) =30047a(10) =68783a(11) =147178a(12) =297234a(13) =570865a(14) =1049605a(15) =1857388a(16) =3177426a(17) =5274519a(18) =8523168a(19) =13442921a(20) =20742950a(21) =31376270a(22) =46605818a(23) =68084760a(24) =97952005a(25) =138945430a(26) =194536354a(27) =269086136a(28) =368028405a(29) =498081190

External references