a(n) = AlexanderPolynomial[n] defined as Det[Transpose[S]-n S] where S is Kronecker Product of two 2 X 2 Seifert matrices {{-1, 1}, {0, -1}} [X] {{-1, 1}, {0, -1}} = {{1, -1, -1, 1}, {0, 1, 0, -1}, {0, 0, 1, -1}, {0, 0, 0, 1}}.
A138849
a(n) = AlexanderPolynomial[n] defined as Det[Transpose[S]-n S] where S is Kronecker Product of two 2 X 2 Seifert matrices {{-1, 1}, {0, -1}} [X] {{-1, 1}, {0, -1}} = {{1, -1, -1, 1}, {0, 1, 0, -1}, {0, 0, 1, -1}, {0, 0, 0, 1}}.
Terms
- a(0) =1a(1) =0a(2) =7a(3) =52a(4) =189a(5) =496a(6) =1075a(7) =2052a(8) =3577a(9) =5824a(10) =8991a(11) =13300a(12) =18997a(13) =26352a(14) =35659a(15) =47236a(16) =61425a(17) =78592a(18) =99127a(19) =123444a(20) =151981a(21) =185200a(22) =223587a(23) =267652a(24) =317929a(25) =374976a(26) =439375a(27) =511732a(28) =592677a(29) =682864
External references
- oeis: A138849