a(n) = Fibonacci(n)*A034896(n) for n >= 1, with a(0)=1, where A034896 lists the number of solutions to a^2 + b^2 + 3*c^2 + 3*d^2 = n.
A205971
a(n) = Fibonacci(n)*A034896(n) for n >= 1, with a(0)=1, where A034896 lists the number of solutions to a^2 + b^2 + 3*c^2 + 3*d^2 = n.
Terms
- a(0) =1a(1) =4a(2) =4a(3) =8a(4) =60a(5) =120a(6) =32a(7) =416a(8) =1092a(9) =136a(10) =1320a(11) =4272a(12) =2880a(13) =13048a(14) =12064a(15) =14640a(16) =114492a(17) =114984a(18) =10336a(19) =334480a(20) =811800a(21) =350272a(22) =850128a(23) =2751072a(24) =2411136a(25) =9303100a(26) =6798008a(27) =785672a(28) =50849760a(29) =61707480
External references
- oeis: A205971