Abstract
Abstract of Collatz Sequence Solution (2nd Way)
I discovered a fact in Collatz Sequence:
S (n) = {a, b, c,…,w} ⇒ LS(n) = LS(a) = LS(b) = LS(c) = …. = LS (w) … (Fact1)
n, a, b, c, w, r ∈ N_+,
LS(n) = {4,2,1} when n ∈ {1,2,3,4,5, …, r-1}
Let LS(r) = {4,2,1} when n ∈ Z = {1,2,3,4,5, …, r-1, r}
If (r+2) ∈ (N_even), and I proved LS(r+2) = {4,2,1} ⇒
LS(n) = {4,2,1} for all even numbers.
If (n) ∈ (N_odd), and I proved LS(n) = {4,2,1} for all odd numbers.
Therefore LS(N) = {4,2,1} for all n ∈N_+



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