Number of n element multisets of the 12th roots of unity with zero sum.

Terms

a(0) =1a(1) =0a(2) =6a(3) =4a(4) =21a(5) =24a(6) =64a(7) =84a(8) =174a(9) =236a(10) =420a(11) =576a(12) =926a(13) =1260a(14) =1896a(15) =2540a(16) =3639a(17) =4800a(18) =6618a(19) =8592a(20) =11499a(21) =14700a(22) =19200a(23) =24204a(24) =30972a(25) =38544a(26) =48480a(27) =59620a(28) =73884a(29) =89892