McKay-Thompson series of class 20A for the Monster group with a(0) = 4.

Terms

a(0) =1a(1) =4a(2) =6a(3) =8a(4) =17a(5) =32a(6) =54a(7) =80a(8) =116a(9) =192a(10) =290a(11) =408a(12) =585a(13) =832a(14) =1192a(15) =1648a(16) =2237a(17) =3072a(18) =4156a(19) =5576a(20) =7414a(21) =9824a(22) =12964a(23) =16896a(24) =22002a(25) =28544a(26) =36794a(27) =47184a(28) =60185a(29) =76736