1) Next five terms are 33, 38, 43, 48, 53
Notice that the difference between consecutive terms is 5.
Conjecture: {13 + 5n}, n = 0, 1, 2, ...
2) Next five terms are 32, 16, 8, 4, 2
Notice that each term is half of its preceding term.
Conjecture: {
}, n = 0, 1, 2, ...