Shell Exercises 20180111

Please look at the rules of several numbers below and use the shell script to output the following 10 digits

10 31 53 77 105 141 ...

 [[email protected] ~]# cat .sh# !/bin/basha  =20  b  =2  c  = 10 
  echo $c for  i in  ' seq 0  20   

 [[email protected] ~]# sh .sh  10 
 to  53  77  105  141  193  277  425  701  1233  2277  4345  8461  16673  33077  65865  131421  262513  524677  1048985  2097581  

Shell Exercises 20180111