Matrix 6th power of inverse partition triangle A038498.

Terms

a(0) =1a(1) =-6a(2) =1a(3) =15a(4) =-6a(5) =1a(6) =1a(7) =9a(8) =-6a(9) =1a(10) =-55a(11) =16a(12) =9a(13) =-6a(14) =1a(15) =29a(16) =-39a(17) =10a(18) =9a(19) =-6a(20) =1a(21) =71a(22) =-25a(23) =-24a(24) =10a(25) =9a(26) =-6a(27) =1a(28) =0a(29) =46