bro idek atp i’m so lost

[molten meadow]

Comparing a to the first term

You can see it’s n^2+1

As each value is 1 more than the original sequence

[dreamy hemlock]

OHH

[molten meadow]

And comparing b to first term

Everything is doubled

So it’s 2n^2

Hope that helps

[dreamy hemlock]

thanks sm