Weight distribution of d=3 Hamming code of length 31.

Terms

a(0) =1a(1) =0a(2) =0a(3) =155a(4) =1085a(5) =5208a(6) =22568a(7) =82615a(8) =247845a(9) =628680a(10) =1383096a(11) =2648919a(12) =4414865a(13) =6440560a(14) =8280720a(15) =9398115a(16) =9398115a(17) =8280720a(18) =6440560a(19) =4414865a(20) =2648919a(21) =1383096a(22) =628680a(23) =247845a(24) =82615a(25) =22568a(26) =5208a(27) =1085a(28) =155a(29) =0