The first and fourth sets are patterns due to consistent increments. The second and third sets are not patterns due to irregular differences. The fifth set also shows a recognizable pattern after the first two terms despite varying differences.
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Number set: 1; 3; 5; 7; 9; ... ✅
Number set: 2; 3; 4; 4; 6; 5; 8; ... ✅
Number set: 9; 18; 729; 6569; ... ❌
Number set: 7; 8; 10; 12; 14; ... ✅
Number set: 14; 28; 34; 41; 48; ... ❌ ;