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🔢 Number Sequence Calculator
Sequence Type
Arithmetic (Constant Difference)
Geometric (Constant Ratio)
First Term (a₁)
Common Difference (d)
Number of Terms (n)
Decimal Places
Show Sequence Statistics
Generate Sequence
Sequence
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Sequence Statistics:
Sum:
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Last Term:
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Average:
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Common Difference:
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Quick Examples:
Arithmetic: 2,5,8,11,14
Geometric: 2,6,18,54,162
Arithmetic: 10,8,6,4,2,0
Geometric: 1,0.5,0.25,0.12,0.06
Notes:
Arithmetic sequence: each term increases by a constant difference (aₙ = a₁ + (n-1)d)
Geometric sequence: each term is multiplied by a constant ratio (aₙ = a₁ × r^(n-1))
Maximum number of terms is 100
For geometric sequences, a ratio of 0 will result in all subsequent terms being 0