A triangular sequence from a Beraha type recursive polynomial using 5 X 5 centered tridiagonal matrices with chromatic polynomial central roots to its characteristic polynomial.

A123969

A triangular sequence from a Beraha type recursive polynomial using 5 X 5 centered tridiagonal matrices with chromatic polynomial central roots to its characteristic polynomial.

Terms

    a(0) =-1a(1) =-1a(2) =1a(3) =0a(4) =4a(5) =-6a(6) =-4a(7) =11a(8) =-6a(9) =1a(10) =6a(11) =-41a(12) =75a(13) =-60a(14) =74a(15) =-119a(16) =57a(17) =64a(18) =-93a(19) =47a(20) =-11a(21) =1a(22) =144a(23) =-492a(24) =886a(25) =-1076a(26) =489a(27) =618a(28) =-1063a(29) =1154

External references