Squared Triangular Number
In number theory, the sum of the first n cubes is the square of the nth triangular number. That is,
This identity is sometimes called Nicomachus's theorem.
Read more about Squared Triangular Number: History, Numeric Values; Geometric and Probabilistic Interpretation, Proofs, Generalizations
Famous quotes containing the words squared and/or number:
“Dreams are toys.
Yet for this once, yea, superstitiously,
I will be squared by this.”
—William Shakespeare (1564–1616)
“If matrimony be really beneficial to society, the custom that ... married women alone are allowed any claim to place, is as useful a piece of policy as ever was invented.... The ridicule fixed on the appellation of old maid hath, I doubt not, frightened a very large number into the bonds of wedlock.”
—Sarah Fielding (1710–1768)