10 FOR h=1 TO 20: GO SUB 1000: NEXT h
20 LET h=1691: GO SUB 1000
30 STOP
1000 REM Hamming
1010 DIM a(h)
1030 LET a(1)=1: LET x2=2: LET x3=3: LET x5=5: LET i=1: LET j=1: LET k=1
1040 FOR n=2 TO h
1050 LET m=x2
1060 IF m>x3 THEN LET m=x3
1070 IF m>x5 THEN LET m=x5
1080 LET a(n)=m
1090 IF m=x2 THEN LET i=i+1: LET x2=2*a(i)
1100 IF m=x3 THEN LET j=j+1: LET x3=3*a(j)
1110 IF m=x5 THEN LET k=k+1: LET x5=5*a(k)
1120 NEXT n
1130 PRINT "H(";h;")= ";a(h)
1140 RETURN