Coefficients of Chebyshev T polynomials: a(n) = A053120(n+12, n), n >= 0.

Terms

a(0) =1a(1) =13a(2) =98a(3) =560a(4) =2688a(5) =11424a(6) =44352a(7) =160512a(8) =549120a(9) =1793792a(10) =5637632a(11) =17145856a(12) =50692096a(13) =146227200a(14) =412778496a(15) =1143078912a(16) =3111714816a(17) =8341487616a(18) =22052208640a(19) =57567870976a(20) =148562247680a(21) =379364311040a(22) =959384125440