The RSEG2 triangle.

Terms

a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =1a(6) =0a(7) =1a(8) =4a(9) =1a(10) =0a(11) =0a(12) =13a(13) =10a(14) =1a(15) =0a(16) =-4a(17) =30a(18) =73a(19) =20a(20) =1a(21) =0a(22) =0a(23) =-14a(24) =425a(25) =273a(26) =35a(27) =1a(28) =0a(29) =120