Which number should replace the question mark?
1 5 13 29 61 125 ?
1+4=5, 5+8=13,13+16=29,29+32=61,61+64=125, 125+128=253
47 55 63 85 92 99 73 ? 25
5 4 ? 8 5 7 6 9 1 1 7 1 9 1 3
Which number should replace the question mark in the picture below ?