a(n) = F(n-th squarefree)/product{p=primes,p|(n-th squarefree)} F(p), where F(m) is m-th Fibonacci number.

A115022

a(n) = F(n-th squarefree)/product{p=primes,p|(n-th squarefree)} F(p), where F(m) is m-th Fibonacci number.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =4a(5) =1a(6) =11a(7) =1a(8) =1a(9) =29a(10) =61a(11) =1a(12) =1a(13) =421a(14) =199a(15) =1a(16) =521a(17) =1a(18) =83204a(19) =1a(20) =19801a(21) =3571a(22) =141961a(23) =1a(24) =9349a(25) =135721a(26) =1a(27) =10304396a(28) =1a(29) =64079

External references