can i obtain this vector ?

can anyone help me to obtain this vector: v=[1 2 5 6 9 10]; i want to know, if we can obtain a relation beteween the vector's elements ?

Answer 1

[Stephen23]

>> V = 0:5;
>> 2*V + mod(1+V,2)
ans =
    1    2    5    6    9   10

See also:

https://oeis.org/search?q=1%2C2%2C5%2C6%2C9%2C10

Answer 2

[Jan]

V = cumsum([3, 1, 3, 1, 3, 1]) - 2