Cody

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

Solution 552237

Submitted on 5 Jan 2015 by Beshir Aman
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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))

seq = 1

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

seq = 2 seq = 2 1 n = 1

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

seq = 5 seq = 5 16 n = 16 seq = 5 16 8 n = 8 seq = 5 16 8 4 n = 4 seq = 5 16 8 4 2 n = 2 seq = 5 16 8 4 2 1 n = 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))

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