Sum_{i=0..2*A053645(n)} (C(2*A053645(n),i) mod 2)*A000045(n-i) [where C(r,c) is the binomial coefficient (A007318) and A000045(n) is the n-th Fibonacci number].

A075149

Sum_{i=0..2*A053645(n)} (C(2*A053645(n),i) mod 2)*A000045(n-i) [where C(r,c) is the binomial coefficient (A007318) and A000045(n) is the n-th Fibonacci number].

Terms

    a(0) =0a(1) =1a(2) =1a(3) =3a(4) =3a(5) =7a(6) =9a(7) =21a(8) =21a(9) =47a(10) =63a(11) =141a(12) =147a(13) =329a(14) =441a(15) =987a(16) =987a(17) =2207a(18) =2961a(19) =6621a(20) =6909a(21) =15449a(22) =20727a(23) =46347a(24) =46389a(25) =103729a(26) =139167a(27) =311187a(28) =324723a(29) =726103

External references