a(n) = s(1)*s(n) + s(2)*s(n-1) + ... + s(k)*s(n+1-k), where k = floor((n+1)/2), s = (Fibonacci numbers).

A024458

a(n) = s(1)*s(n) + s(2)*s(n-1) + ... + s(k)*s(n+1-k), where k = floor((n+1)/2), s = (Fibonacci numbers).

Terms

    a(0) =1a(1) =1a(2) =3a(3) =5a(4) =12a(5) =19a(6) =40a(7) =65a(8) =130a(9) =210a(10) =404a(11) =654a(12) =1227a(13) =1985a(14) =3653a(15) =5911a(16) =10720a(17) =17345a(18) =31090a(19) =50305a(20) =89316a(21) =144516a(22) =254568a(23) =411900a(24) =720757a(25) =1166209a(26) =2029095a(27) =3283145a(28) =5684340a(29) =9197455

External references