Pascal’s triangle: Difference between revisions
From Elliptic Curve Crypto
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== Notation == | == Notation == | ||
<math>n \choose k</math> is the mathematical symbol for the ''k''<sup>th</sup> entry of the ''n''<sup>th</sup> row of '''Pascal’s triangle''' | <math>n \choose k</math> is the mathematical symbol for the ''k''<sup>th</sup> entry of the ''n''<sup>th</sup> row of '''Pascal’s triangle''', (counting from zero!) | ||
:<math>{n\choose k} = \frac{n!}{k!(n-k)!}</math> | :<math>{n\choose k} = \frac{n!}{k!(n-k)!}</math> | ||
:<math>{n\choose k} = {n-1\choose k-1}+{n-1\choose k}</math> | :<math>{n\choose k} = {n-1\choose k-1}+{n-1\choose k}</math> |
Latest revision as of 03:22, 28 December 2024
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1 | 4 | 6 | 4 | 1 | ||||||||||||||||
1 | 5 | 10 | 10 | 5 | 1 | |||||||||||||||
1 | 6 | 15 | 20 | 15 | 6 | 1 | ||||||||||||||
1 | 7 | 21 | 35 | 35 | 21 | 7 | 1 | |||||||||||||
1 | 8 | 28 | 56 | 70 | 56 | 28 | 8 | 1 | ||||||||||||
1 | 9 | 36 | 84 | 126 | 126 | 84 | 36 | 9 | 1 | |||||||||||
1 | 10 | 45 | 120 | 210 | 252 | 210 | 120 | 45 | 10 | 1 |
Notation
is the mathematical symbol for the kth entry of the nth row of Pascal’s triangle, (counting from zero!)