1
Q
Fibonacci
A
1,1,2,3,5,8,13,21,34,55
adding previous terms
2
Q
Arithmetic
A
ordered set of numbers that have a common difference
1,3,5,7,9 (+2)
3
Q
Quadratic
A
Have two differences
4,7,12,19,28 (+3+7+9) (+2)
4
Q
Triangular
A
Numbers that can be represented as triangles
1,3,6,10,15,21
5
Q
Geometric
A
Ordered sets of numbers that progress by multiplying or dividing each tern by same amount
1,2,4,8,16 (x2)
