Irregular triangle read by rows: T(n,k) is the coefficient of x^k in the domination polynomial of the n X n torus grid graph (n>=1, A094087(n)<=k<=n^2).

A378418

Irregular triangle read by rows: T(n,k) is the coefficient of x^k in the domination polynomial of the n X n torus grid graph (n>=1, A094087(n)<=k<=n^2).

Terms

    a(0) =1a(1) =6a(2) =4a(3) =1a(4) =48a(5) =117a(6) =126a(7) =84a(8) =36a(9) =9a(10) =1a(11) =40a(12) =560a(13) =2736a(14) =6800a(15) =10310a(16) =10560a(17) =7832a(18) =4352a(19) =1820a(20) =560a(21) =120a(22) =16a(23) =1a(24) =10a(25) =200a(26) =3050a(27) =31525a(28) =188700a(29) =677690

External references