Expansion of sqrt(1 + 12*x).

Terms

a(0) =1a(1) =6a(2) =-18a(3) =108a(4) =-810a(5) =6804a(6) =-61236a(7) =577368a(8) =-5629338a(9) =56293380a(10) =-574192476a(11) =5950722024a(12) =-62482581252a(13) =663276631752