Triangular sequence from the characteristic polynomials of the SL(n,Z)/ determinants {1,-1} type triantidiagonal 2 center with one upper, -1 side antidiagonal above and below: M(3)={{0, -1, 1}, {-1, 2, -1}, {2, -1, 0}}.
A124022
Triangular sequence from the characteristic polynomials of the SL(n,Z)/ determinants {1,-1} type triantidiagonal 2 center with one upper, -1 side antidiagonal above and below: M(3)={{0, -1, 1}, {-1, 2, -1}, {2, -1, 0}}.
Terms
- a(0) =1a(1) =1a(2) =-1a(3) =-1a(4) =2a(5) =1a(6) =-1a(7) =4a(8) =2a(9) =-1a(10) =1a(11) =-6a(12) =-7a(13) =2a(14) =1a(15) =1a(16) =-9a(17) =-12a(18) =10a(19) =2a(20) =-1a(21) =-1a(22) =12a(23) =26a(24) =-18a(25) =-13a(26) =2a(27) =1a(28) =-1a(29) =16
External references
- oeis: A124022