Cody

# Problem 21. Return the 3n+1 sequence for n

Solution 1909587

Submitted on 22 Aug 2019 by Logan Jones
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### Test Suite

Test Status Code Input and Output
1   Pass
n = 1; c_correct = 1; assert(isequal(collatz(n),c_correct))

c = 1

2   Pass
n = 2; c_correct = [2 1]; assert(isequal(collatz(n),c_correct))

c = 2 r = 0 n = 1 c = 2 1

3   Pass
n = 5; c_correct = [5 16 8 4 2 1]; assert(isequal(collatz(n),c_correct))

c = 5 r = 1 n = 16 c = 5 16 r = 0 n = 8 c = 5 16 8 r = 0 n = 4 c = 5 16 8 4 r = 0 n = 2 c = 5 16 8 4 2 r = 0 n = 1 c = 5 16 8 4 2 1

4   Pass
n = 22; c_correct = [22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1]; assert(isequal(collatz(n),c_correct))

c = 22 r = 0 n = 11 c = 22 11 r = 1 n = 34 c = 22 11 34 r = 0 n = 17 c = 22 11 34 17 r = 1 n = 52 c = 22 11 34 17 52 r = 0 n = 26 c = 22 11 34 17 52 26 r = 0 n = 13 c = 22 11 34 17 52 26 13 r = 1 n = 40 c = 22 11 34 17 52 26 13 40 r = 0 n = 20 c = 22 11 34 17 52 26 13 40 20 r = 0 n = 10 c = 22 11 34 17 52 26 13 40 20 10 r = 0 n = 5 c = 22 11 34 17 52 26 13 40 20 10 5 r = 1 n = 16 c = 22 11 34 17 52 26 13 40 20 10 5 16 r = 0 n = 8 c = 22 11 34 17 52 26 13 40 20 10 5 16 8 r = 0 n = 4 c = 22 11 34 17 52 26 13 40 20 10 5 16 8 4 r = 0 n = 2 c = 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 r = 0 n = 1 c = 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1