10 FOR i=0 TO 15
20 LET n=i: LET m=2*n
30 LET r=1: LET d=m-n
40 IF d>n THEN LET n=d: LET d=m-n
50 IF m<=n THEN GO TO 90
60 LET r=r*m: LET m=m-1
70 IF (d>1) AND NOT FN m(r,d) THEN LET r=r/d: LET d=d-1: GO TO 70
80 GO TO 50
90 PRINT i;TAB 4;r/(1+n)
100 NEXT i
110 STOP
120 DEF FN m(a,b)=a-INT (a/b)*b: REM Modulus function