1/512 of 11th unsigned column of triangle A053120 (T-Chebyshev, rising powers, zeros omitted).

Terms

a(0) =1a(1) =12a(2) =77a(3) =352a(4) =1287a(5) =4004a(6) =11011a(7) =27456a(8) =63206a(9) =136136a(10) =277134a(11) =537472a(12) =999362a(13) =1790712a(14) =3105322a(15) =5230016a(16) =8580495a(17) =13748020a(18) =21559395a(19) =33153120a(20) =50075025a(21) =74397180a(22) =108864405a(23) =157073280a(24) =223689180a(25) =314707536a(26) =437766252a(27) =602516992a(28) =821063892a(29) =1108479152