Central Binomial Calculator

C(2n,n) = (2n)!/(n!)²

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n (0–20)

C(20,10)

184,756

≈ 187,079C_10 = 16,7961.3% err

Sequence

n=01C=1

n=12C=1

n=26C=2

n=320C=5

n=470C=14

n=5252C=42

n=6924C=132

n=73,432C=429

n=812,870C=1,430

n=948,620C=4,862

n=10184,756C=16,796

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About Central Binomial Calculator

A central binomial coefficient calculator computing C(2n,n) = (2n)!/(n!)². These are the largest entries in each even row of Pascal's triangle. C(2n,n): 1,2,6,20,70,252,924... Asymptotically 4^n/√(πn). Client-side.

Central Binomial Calculator Features

C(2n,n) value
Sequence
Approximation
Pascal row
Growth rate

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