a(n) = Fibonacci(n)*A028594(n) for n>=1, with a(0)=1, where A028594 lists the coefficients in (theta_3(x)*theta_3(7*x)+theta_2(x)*theta_2(7*x))^2.

A205976

a(n) = Fibonacci(n)*A028594(n) for n>=1, with a(0)=1, where A028594 lists the coefficients in (theta_3(x)*theta_3(7*x)+theta_2(x)*theta_2(7*x))^2.

Terms

    a(0) =1a(1) =4a(2) =12a(3) =32a(4) =84a(5) =120a(6) =384a(7) =52a(8) =1260a(9) =1768a(10) =3960a(11) =4272a(12) =16128a(13) =13048a(14) =4524a(15) =58560a(16) =122388a(17) =114984a(18) =403104a(19) =334480a(20) =1136520a(21) =175136a(22) =2550384a(23) =2751072a(24) =11128320a(25) =9303100a(26) =20394024a(27) =31426880a(28) =8898708a(29) =61707480

External references