a(n) = A113166(n) - Fibonacci(n-1), where Fibonacci(n) = A000045(n).

Terms

a(0) =0a(1) =0a(2) =0a(3) =1a(4) =0a(5) =3a(6) =0a(7) =4a(8) =2a(9) =7a(10) =0a(11) =13a(12) =0a(13) =14a(14) =10a(15) =21a(16) =0a(17) =39a(18) =0a(19) =52a(20) =22a(21) =65a(22) =0a(23) =137a(24) =12a(25) =156a(26) =48a(27) =267a(28) =0a(29) =483