Sum of determinants of 2nd order principal minors of powers of the matrix ((1,1,0,0),(1,0,1,0),(1,0,0,1),(1,0,0,0)).

A074193

Sum of determinants of 2nd order principal minors of powers of the matrix ((1,1,0,0),(1,0,1,0),(1,0,0,1),(1,0,0,0)).

Terms

    a(0) =6a(1) =-1a(2) =-3a(3) =-1a(4) =17a(5) =-16a(6) =-15a(7) =13a(8) =81a(9) =-127a(10) =-58a(11) =175a(12) =329a(13) =-885a(14) =-31a(15) =1424a(16) =833a(17) =-5543a(18) =2181a(19) =9233a(20) =-2298a(21) =-31025a(22) =27893a(23) =49495a(24) =-54879a(25) =-150416a(26) =245697a(27) =204965a(28) =-526887a(29) =-570895

External references