Cody

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

Solution 91220

Submitted on 23 May 2012 by Sam
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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))

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

k = 2

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

k = 2 c = 5 16 k = 3 k = 4 k = 5 k = 6

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))

k = 2 k = 3 c = 22 11 34 k = 4 k = 5 c = 22 11 34 17 52 k = 6 k = 7 k = 8 c = 22 11 34 17 52 26 13 40 k = 9 k = 10 k = 11 k = 12 c = Columns 1 through 10 22 11 34 17 52 26 13 40 20 10 Columns 11 through 12 5 16 k = 13 k = 14 k = 15 k = 16

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