McKay-Thompson series of class 20d for Monster.

Terms

a(0) =1a(1) =0a(2) =3a(3) =-4a(4) =4a(5) =-4a(6) =7a(7) =-12a(8) =13a(9) =-16a(10) =22a(11) =-28a(12) =38a(13) =-44a(14) =55a(15) =-72a(16) =83a(17) =-104a(18) =129a(19) =-156a(20) =187a(21) =-220a(22) =273a(23) =-328a(24) =384a(25) =-452a(26) =539a(27) =-652a(28) =757a(29) =-880