A triangle related to the GF(z) formulas of the rows of the ED4 array A167584.

Terms

a(0) =1a(1) =2a(2) =2a(3) =9a(4) =2a(5) =13a(6) =60a(7) =-12a(8) =68a(9) =76a(10) =525a(11) =-300a(12) =774a(13) =132a(14) =789a(15) =5670a(16) =-5250a(17) =11820a(18) =-3636a(19) =6702a(20) =7734a(21) =72765a(22) =-92610a(23) =212415a(24) =-143340a(25) =143307a(26) =19086a(27) =110937a(28) =1081080a(29) =-1746360