(Signless) coefficient of x^k in the admittance polynomial of the connected antiregular graph A_n.

Terms

a(0) =1a(1) =0a(2) =1a(3) =0a(4) =2a(5) =1a(6) =0a(7) =3a(8) =4a(9) =1a(10) =0a(11) =12a(12) =19a(13) =8a(14) =1a(15) =0a(16) =40a(17) =78a(18) =49a(19) =12a(20) =1a(21) =0a(22) =240a(23) =508a(24) =372a(25) =121a(26) =18a(27) =1a(28) =0a(29) =1260