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Significats de trigonal number en anglès

rus
треугольные числа
portuguès
número triangular
espanyol
numero triangular
català
nombre triangular

Figurate number.

Termes relacionats
nombre triangular
Sinònims
Examples for "triangular number"
Examples for "triangular number"
1
Place one counter on the table-thatis, the first triangular number.
Amusements in Mathematics
2
But indeed unity is triangular ; for every triangular number (Triangular numbers are those of which equilateral triangles can be formed in this way:
Complete Works of Plutarch — Volume 3: Essays and Miscellanies
3
Now for a little puzzle in triangular numbers.
Amusements in Mathematics
4
Every whole number is either triangular , or the sum of two triangular numbers or the sum of three triangular numbers.
Amusements in Mathematics
5
The analogous series for triangular numbers is 1, 3, 6, 1, 6, 3, 1, 9, 9.
Amusements in Mathematics