completati cu unca 3nr 1,5,13,29

Răspuns :

1+4=5...+8=13....+16=29
4,8,16=> *2
16*2= 32
29+32= 61
32*2= 64
61+64= 125
64*2= 128
125+128= 253
RASPUNS: 1, 5, 13, 29, 61, 125, 253