Hankel transform of sequence (b(n)) where b(n) = Sum_{i=0..n} binomial(2*i,i).

Terms

a(0) =1a(1) =3a(2) =6a(3) =-8a(4) =-72a(5) =-144a(6) =64a(7) =960a(8) =1920a(9) =-512a(10) =-10752a(11) =-21504a(12) =4096a(13) =110592a(14) =221184a(15) =-32768a(16) =-1081344a(17) =-2162688a(18) =262144a(19) =10223616a(20) =20447232a(21) =-2097152a(22) =-94371840a(23) =-188743680a(24) =16777216a(25) =855638016a(26) =1711276032a(27) =-134217728a(28) =-7650410496a(29) =-15300820992