Traditional Culture Encyclopedia - Traditional culture - There are problems with the logic of the super brain 2, 9, 28, 65, What is the question mark?

There are problems with the logic of the super brain 2, 9, 28, 65, What is the question mark?

2= 1 cubic+1

9=2 cubic+1

28 = 3 cubic+1

65 = 4 cubic+1

126 = 5 cubic+1

2 17 = 6 cubic+1

344 = the third power of 7+1

2、9、28、65、 126

The difference is 7 19 37 6 1 respectively.

The difference between these numbers is 12 18 24, and the next one is 30.

The difference is 6 1+30=9 1.

The following figures are126+91= 217.