1000 and 2
The sum of the first n cubed numbers is the square of the nth triangular number.
the numbers betwenn 1 and 365222
Because it is ! The first 10 triangular numbers are... 1,3,6,10,15,21,28,36,45 & 55
The first twelve triangular numbers are: 1 3 6 10 15 21 28 36 45 55 66 78
The first six triangular numbers are : 1,3,6,10,15,21. However, sometimes the first triangular number is regarded as 0 (zero) so you then have 0,1,3,6,10,15 as the first six triangular numbers.
Triangle numbers or triangular numbers are those numbers that can form an equilateral triangle when counting the objects. The first five triangular numbers are: 1, 3, 6, 10, 15.
8,9,5,7,2 and 1
It is 46.
if you don't count 0 or 1, I believe it's 36 and 1225.
The Nth triangular number is calculated by: N(N + 1) -------- 2 Hope this is useful!
45
There are 2 triangular numbers. Those numbers are 36 and 45. 55 is not an answer since it come after 54. If you get this question, this is the answer.
No. The first few triangular numbers are 1, 3, 6, 10, 15, 21, 28, ...
It is T/2 * (t+1)
a: any number between 1 and 325670
t(n) = n*(n+1)/2