Let a_ 1 = b_ 1 = 1, a_ n = a_ n-1 + 2 and b_ n = a_ n + b_ n-1 for every natural number n 2. Then _ n=1 ^ 15...

Question

Let a_ 1 = b_ 1 = 1, a_ n = a_ n-1 + 2 and b_ n = a_ n + b_ n-1 for every natural number n 2. Then _ n=1 ^ 15 a_ n b_ n is equal to _____.

Accepted Answer

27560

JEE Main 2022 Mathematics question