The next number is 512 .
15
64
64 is missing; the numbers are cubes of 1,2,3,4,5,& 6.
64, it's a list of cubes
The next number is 512 .
125
15
8
64
64 is missing; the numbers are cubes of 1,2,3,4,5,& 6.
64 should be in between 27 and 125.
64 because each number is cubed
64, it's a list of cubes
64 Each term number is cubed: 43 = 64
These numbers are cubes of the numbers 1,2,3,5 & 6, respectively. So 43 is missing, which is 64. It should go between 27 and 125.
64 because it is basically cube each number in a row.