1,15,9,12,18,9,5,14,7
3 answers
I need help
What about it?
Even Wolfram could not establish a pattern
www.wolframalpha.com/input/?i=pattern+%7B1%2C15%2C9%2C12%2C18%2C9%2C5%2C14%2C7%7D
Even Wolfram could not establish a pattern
www.wolframalpha.com/input/?i=pattern+%7B1%2C15%2C9%2C12%2C18%2C9%2C5%2C14%2C7%7D
A little polynomial interpolation yields the obvious result
y = 1/160 x^8 - 261/5040 x^7 + 187/45 x^6 - 26683/720 x^5 + 276371/1440 x^4 - 209861/360 x^3 + 358889/360 x^2 - 30021/5 x + 286
y = 1/160 x^8 - 261/5040 x^7 + 187/45 x^6 - 26683/720 x^5 + 276371/1440 x^4 - 209861/360 x^3 + 358889/360 x^2 - 30021/5 x + 286