Triangular array from Steinbach matrices plus their squares as characteristic polynomials: M[i,j]=A[i,j]+A[i,j]^2: A[i,j]^2=Min[i,j]; CharacteristicPolynomial[M[i,j]];.
A122073
Triangular array from Steinbach matrices plus their squares as characteristic polynomials: M[i,j]=A[i,j]+A[i,j]^2: A[i,j]^2=Min[i,j]; CharacteristicPolynomial[M[i,j]];.
Terms
- a(0) =1a(1) =2a(2) =-1a(3) =0a(4) =-4a(5) =1a(6) =2a(7) =-9a(8) =8a(9) =-1a(10) =-2a(11) =-3a(12) =19a(13) =-12a(14) =1a(15) =-4a(16) =-6a(17) =47a(18) =-55a(19) =18a(20) =-1a(21) =2a(22) =15a(23) =0a(24) =-88a(25) =93a(26) =-24a(27) =1a(28) =2a(29) =23
External references
- oeis: A122073