The number which best completes the sequence below is 1 2 4 3 6 8 7 14 16?

Answer 1

15 would be the next number.

The sequence is x multiplied by two plus two minus one.

1 2 4 3 6 8 7 14 16 15 30 32 31 62 64 63

Each process or addition/multiplication is shown in each number.

Answer 2

The pattern is double, +2, -1.
1 2 4 3 6 8 7 14 16 15 30 32 31 62 64 63 126 128 127 254 256 512 514 513 1026 1028 1027 2054 2056 2055....

Answer 3

This sequence is created by alternating differences. The difference pattern is 4, 3, 5, 2, and 6. The next difference is 1, so the next number is 13.Ê

Answer 4

The next numbers in the sequence are 15 30 32.

1 times 2= 2

2 plus 2 = 4

4 minus 1 = 3

3 times 2 = 6

6 plus 2 = 8

8 minus 1 = 7 etc.

Answer 5

Not sure what completes the sequence. The answer below simply continues it which is NOT the same thing.

15, 30, 32

Answer 6

None of them. I make it 15.

U1 = 1

U2 = U1 * 2

U3 = U2 + 2

U4 = U3 - 1

Repeat the last three.