How is 1 the next number in this sequence 145, 91, 49, 19?
What is the full formula of the quadratic sequence and how is it derived?
So far I have deciphered the first part of the quadratic formula as 6n^{2} by using the details shown below.
View attachment 15929
Thank you

What is the full formula of the quadratic sequence and how is it derived?
So far I have deciphered the first part of the quadratic formula as 6n^{2} by using the details shown below.
View attachment 15929
Thank you
