Inverse binomial transform of A010054 (1 if triangular number else 0).

Terms

a(0) =1a(1) =0a(2) =-1a(3) =3a(4) =-7a(5) =14a(6) =-24a(7) =34a(8) =-35a(9) =8a(10) =82a(11) =-298a(12) =759a(13) =-1704a(14) =3627a(15) =-7538a(16) =15425a(17) =-30992a(18) =60673a(19) =-114647a(20) =206853a(21) =-351365a(22) =549132a(23) =-752653a(24) =784277a(25) =-162126a(26) =-2252600a(27) =8950526a(28) =-25129652a(29) =61349528