The check matrix of a [30,24,5]5.

The generator matrix of a [30,6,20]5.

100002311021000320104331134241
000011310210002201033311442413
000101302100021010323114324134
001001021100210103201143341342
010000111102100032011433113424
000000000011111111111111111111

The weight distribution:

A'0= 1, A'20= 1320, A'21= 800, A'22= 2400, A'23= 2400, A'25= 5304, A'26= 1200, A'27= 1600, A'28= 600.

A0= 1, A5= 10704, A6= 160800, A7= 2116800, A8= 24508800, A9= 240227800, A10= 2016380640, A11= 14662096800, A12= 92876487800, A13= 514355824800, A14= 2498348668800, A15= 10659631322880, A16= 39973288969800, A17= 131677843735800, A18= 380400417422800, A19= 961014439876800, A20= 2114229660249840, A21= 4027104222126800, A22= 6589808826472800, A23= 9168426890644800, A24= 10696500398578800, A25= 10268638991674344, A26= 7898953661020800, A27= 4680861249936800, A28= 2006083429723800, A29= 553402320772800, A30= 73786976377216.


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