2.6.4.12.8.18.16.24 fill in the number in order. How do you fill in the following

2.6.4.12.8.18.16.24 fill in the number in order. How do you fill in the following

2 6
4 12
8 18
16 24
2, 32, 10x3, 30
2, 64, 12x3, 36
2, 128, 14x3, 72

2 3 7 13 27 () 57 this is a mathematical reasoning problem. Guess the number in brackets,
Maybe the last number of this question is wrong. I think the last number is a little small, but I hope my friends can help me to have a look

Sorry, if the last one is wrong, we can't get the answer. The last one is the key

24,4,16,18,26, () what should be filled in the brackets?

35
16=（24+4*2）/2
And so on