Step 1: Identify the pattern

The differences between consecutive terms are:

• 1 - 0 = 1
• 3 - 1 = 2
• 6 - 3 = 3
• 10 - 6 = 4

The pattern follows the sequence +1, +2, +3, +4, ...

Step 2: Find the next term

• The next difference should be +5
• 10 + 5 = 15