Identify which of these sequences is NOT an arithmetic sequence.
2,4,6,8,…2, 4, 6, 8, \dots2,4,6,8,…
10,7,4,1,…10, 7, 4, 1, \dots10,7,4,1,…
1,2,4,8,…1, 2, 4, 8, \dots1,2,4,8,…
0,5,10,15,…0, 5, 10, 15, \dots0,5,10,15,…