I have repeated the calculation and confirm the results.
What is interesting, the sequence in the second column satisfies a recurrence relation
T(4n+2) = 2T(4n) - T(2n)
T(4n) = 2T(4n-2)
(and trivially T(2n+1) = T(2n), not included in the table).
I have repeated the calculation and confirm the results.
What is interesting, the sequence in the second column satisfies a recurrence relation
T(4n+2) = 2T(4n) - T(2n)
T(4n) = 2T(4n-2)
(and trivially T(2n+1) = T(2n), not included in the table).