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0.5n(n+1)I finally got the thing! Awesome!

Or alternatively:

½ n2 + ½ n

or:

½ (n2+n)

a more simple answer is

(n2 ÷ 2)+½ n

e.g:- 10x10=100

__

2=50+5=55

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Q: What is the Nth term formula for triangular numbers?
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Related questions

Formula of triangular numbers?

The nth triangular number is 0.5*n*(n+1)


What is the Nth Term Formula for Oblong Numbers?

The Nth term formula for oblong numbers is N = N(N+1)


What is nth term of triangular numbers?

It is T/2 * (t+1)


What is the Nth Term Formula for hexagonal Numbers?

it is 6n


What is the formula for triangular numbers?

The Nth triangular number is calculated by: N(N + 1) -------- 2 Hope this is useful!


What is the nth term formula of prime numbers?

There is no formula for prime numbers. They form a random sequence.


What is the Nth term formula for rectangular numbers?

There is no such formula. Rectangular numbers are composite numbers and there is no known formula that will generate either composite numbers or prime numbers.


What are the first 4 terms of the sequence which has the nth term formula?

the first 4 terms of the sequence which has the nth term is a sequence of numbers that that goe together eg. 8,12,16,20,24 the nth term would be 4n+4


How Are Triangular And Cubed Numbers Linked?

The sum of the first n cubed numbers is the square of the nth triangular number.


What are the connection between triangular numbers and square numbers?

One relationship is that the sum of the nth and the previous triangular numbers is equal to the nth square number.That isT(n-1) + T(n) = S(n)where T(n) is the nth triangular number and S(n) is the nth square number.


What is triangular sequences nth term rule?

0.5n(n+1)


When finding the nth term won't it be a number not a formula?

No, it will be a formula, because "the nth term" means that you have not defined exactly which term it is. So, you make a formula which works for ANY term in the sequence.