The pattern follows n²+2: 1²+2=3, 2²+2=6, 3²+2=11, 4²+2=18, 5²+2=27, 6²+2=38, 7²+2=51, 8²+2=66, 9²+2=83, 10²+2=102. Wait, that doesn't match. Let me recalculate: differences are 5, 7, 9, 11, 13, 15, 17... increasing by 2. Next difference is 19, so 80+19=99.