Question

1,2,6,15,31,56,91,? what next

Answer 1

hey frend 140 is next term

Answer 2

Your question is wrong.

Last number in the series should be 1,2,6,15,31,56,92.

The procedure is:

= > 1 + 0^2 = 1

= > 1 + 1^2 = 2

= > 2 + 2^2 = 6

= > 6 + 3^2 = 15

= > 15 + 4^2 = 31

= > 31 + 5^2 = 56

= > 56 + 6^2 = 92

= > 92 + 7^2 = 141.

Hope this helps!