Number of odd terms in f^n, where f = x^4*y^4 + x^4*y^3 + x^3*y^4 + x^4*y^2 + x^2*y^4 + x^4*y + x^3*y^2 + x^2*y^3 + x*y^4 + x^4 + x^2*y^2 + y^4 + x^3 + x^2*y + x*y^2 + y^3 + x^2 + y^2 + x + y + 1.

A246034

Number of odd terms in f^n, where f = x^4*y^4 + x^4*y^3 + x^3*y^4 + x^4*y^2 + x^2*y^4 + x^4*y + x^3*y^2 + x^2*y^3 + x*y^4 + x^4 + x^2*y^2 + y^4 + x^3 + x^2*y + x*y^2 + y^3 + x^2 + y^2 + x + y + 1.

Terms

    a(0) =1a(1) =21a(2) =21a(3) =85a(4) =21a(5) =233a(6) =85a(7) =321a(8) =21a(9) =441a(10) =233a(11) =761a(12) =85a(13) =1137a(14) =321a(15) =1545a(16) =21a(17) =441a(18) =441a(19) =1785a(20) =233a(21) =2925a(22) =761a(23) =3589a(24) =85a(25) =1785a(26) =1137a(27) =3977a(28) =321a(29) =4549

External references