a(n) = a(n-1) + (sum of the terms, from among the first (n-1) terms of the sequence, which are coprime to the n-th Fibonacci number).

A131788

a(n) = a(n-1) + (sum of the terms, from among the first (n-1) terms of the sequence, which are coprime to the n-th Fibonacci number).

Terms

    a(0) =1a(1) =2a(2) =3a(3) =6a(4) =18a(5) =22a(6) =74a(7) =173a(8) =350a(9) =627a(10) =1903a(11) =3980a(12) =11139a(13) =29437a(14) =72720a(15) =108312a(16) =337079a(17) =379735a(18) =988163a(19) =1354929a(20) =4458118a(21) =12200929a(22) =32148649a(23) =78234718a(24) =208109020a(25) =546549127a(26) =1108402372a(27) =3055896646a(28) =8105184898a(29) =8151267237

External references