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.
Add more zeros
Given area find sides
Sum of digits of powers of 2
Cut an orange
Disappear in 3, 2, 1 ...
Alternative Scoring. Create an incremental spiral.
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