Triangular sequence from coefficients of characteristic polynomial of n X n prime element matrices: M=A.B.A^(-1); (A(3) is singular): examples; A(4)= {{2, 3, 5, 7, 11}, {3, 5, 7, 11, 13}, {5, 7, 11, 13, 17}, {7, 11, 13, 17, 19}, {11, 13, 17, 19, 23}} B(4)= {{3, 5, 7, 11, 13}, {5, 7, 11, 13, 17}, {7, 11, 13, 17, 19}, {11, 13, 17, 19, 23}, {13, 17, 19, 23, 29}}.
A137405
Triangular sequence from coefficients of characteristic polynomial of n X n prime element matrices: M=A.B.A^(-1); (A(3) is singular): examples; A(4)= {{2, 3, 5, 7, 11}, {3, 5, 7, 11, 13}, {5, 7, 11, 13, 17}, {7, 11, 13, 17, 19}, {11, 13, 17, 19, 23}} B(4)= {{3, 5, 7, 11, 13}, {5, 7, 11, 13, 17}, {7, 11, 13, 17, 19}, {11, 13, 17, 19, 23}, {13, 17, 19, 23, 29}}.
Terms
- a(0) =1a(1) =3a(2) =-1a(3) =-4a(4) =-10a(5) =1a(6) =12a(7) =44a(8) =23a(9) =-1a(10) =0a(11) =576a(12) =-864a(13) =-288a(14) =316a(15) =71a(16) =-1a(17) =-7104a(18) =-608a(19) =5800a(20) =1168a(21) =-670a(22) =-108a(23) =1a(24) =45248a(25) =44096a(26) =-19712a(27) =-21712a(28) =116a(29) =1768
External references
- oeis: A137405