a(1) = 0
a(2) = 1
a(2*N) = sqrt(a(2*N-1)*a(2*N+1))
a(2*N+1) = (a(2*N)+a(2*N+2))/2
given n return a(n)
The two recursion equations are mixed up.
Return the 3n+1 sequence for n
Knight's Tour Checker
Sum of first n terms of a harmonic progression
Find the elements of a matrix according to a defined property.
expand intervals vol.2
Another colon problem
Pernicious Anniversary Problem
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