Question

What kind of sequence is the pattern 1, 6, 7, 13, 20, ...?

arithmetic sequence
exponential sequence
geometric sequence
recursive sequence

Answer 1

that's like fibonaci sequence

Answer 2

so im wrong

Answer 3

there is no common difference or common ratio between each term

Answer 4

http://en.wikipedia.org/wiki/Fibonacci_number

Answer 5

that sounds right @RadEn because your adding

Answer 6

???

Answer 7

well, actually it is fibonacci's number. but fibonacci is one of the reqursive formula, which recursive means always uses the preceding term to define the next term of the sequence. Sequences can have the same formula but because they start with a different number, they are different patterns.