Generalized Fibonacci numbers A_{n,2}.

Terms

a(0) =1a(1) =1a(2) =0a(3) =1a(4) =1a(5) =2a(6) =2a(7) =3a(8) =4a(9) =6a(10) =8a(11) =11a(12) =16a(13) =23a(14) =32a(15) =46a(16) =66a(17) =94a(18) =136a(19) =195a(20) =282a(21) =408a(22) =592a(23) =856a(24) =1248a(25) =1814a(26) =2646a(27) =3858a(28) =5644a(29) =8246