0
Formula for the nth Triangular Number:
t(n) = 1/2n(n + 1) OR t(n) = (n2 + n)/2
t(0) = 0
t(1) = 1
t(2) = 3
t(3) = 6
t(4) = 10
t(5) = 15
t(6) = 21
t(7) = 28
t(8) = 36
t(9) = 45
t(10) = 55
t(11) = 66
t(12) = 78
t(13) = 91
t(14) = 104
t(15) = 120
For a more extensive list, or for more any more information about the Triangular Numbers, type "Triangular Numbers" into Google. You'll find lots of helpful websites there.
What else can I help you with?
List all the triangular numbers up to 36?
1, 3, 6, 10, 15, 21, 28, 36
What are the triangular numbers up to a hundred?
1,3,6,10,15,21,28,36,45,47,66,78,91,95
What are all the triangular numbers up to 200?
0,1,3,6,10,15,21,28,36,45,56,68,81,95,110,126,143,161,180,200. That's all the triangular numbers up to 200! I hope that's helped anyone with any thing.
What 2 triangular numbers add up to 43?
45
What multiplies to 120 but adds to 34?
154
A list of triangular numbers up to 166?
0, 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, 91, 105, 120, 136, 153
List all the triangular numbers up to 36?
1, 3, 6, 10, 15, 21, 28, 36
What are the triangular numbers up to a hundred?
1,3,6,10,15,21,28,36,45,47,66,78,91,95
What are all the triangular numbers up to 200?
0,1,3,6,10,15,21,28,36,45,56,68,81,95,110,126,143,161,180,200. That's all the triangular numbers up to 200! I hope that's helped anyone with any thing.
What are the triangular numbers up to ten thousand?
1'3'10 etc;
What 2 triangular numbers add up to 43?
45
A list of triangular numbers 1- 2000?
-1999
A list of square numbers up to 120?
1 2.56 4 9 10.24 16 25 36 40.96 49 64 81 100 110.25
What two triangle numbers make thirty eight?
28 and 10 are both triangular numbers and add up to 38
What multiplies to 120 but adds to 34?
154
What numbers add up to make 121.2?
How about: 120+1.2 = 121.2
What 2 numbers add up to -23 and multiply to 120?
-15+-8=-23 -15*-8=120
