Contact us
Choose a category below so we can get back to you as quickly as possible.
The original formula is 12 + 1 + 23 + 1 + 2 + 34 + +1+2+… +4950=12+22+32+… +492=1+2+… +492=12252.
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.