68, 81, ..........., 113, 132
ans = 68, 81, 96, 113, 132 meke 81-68=13 , 96-81=15 , 113-96=17 , 132-13=19
5, 7, 11, 19, 35, ........
7-5=2^1 , 11-7=2^2 , 19-11= 2^3 , 35-19=2^4...........
ans= 5, 7, 11, 19, 35, 67, 131
8723, 3872, 2387, ..........
aga ilakkama mulata dala liyagana gihama...