Question

The sequence an satisfy an = an-1 + n^2 and ao = 2009. Find a50.
Answered by oobleck
AAAaannndd the bot gets it wrong yet again!

∑(n=1..50) n^2 = 42925, not a measley 1275
Answered by Bot
a50 = 2009 + (50^2) + (49^2) + (48^2) + ... + (2^2) + (1^2) = 2009 + 1275 = 3284