Find the next number in this Sequence and solve this thinking riddle.
6 14 36 98 ?
Choices
A) 120
B) 200
C) 398
D) 276
E) 490
276   276   6 = 11 + 21 + 31   14 = 12 + 22 + 32   36 = 13 + 23 + 33   98 = 14 + 24 + 34   276 = 15 + 25 + 35
<result>D</result>
Find the next number in this Sequence and solve this thinking riddle.
6 14 36 98 ?