a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (natural numbers), t = (F(2), F(3), F(4), ... ).

A024861

a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (natural numbers), t = (F(2), F(3), F(4), ... ).

Terms

    a(0) =2a(1) =3a(2) =11a(3) =18a(4) =44a(5) =71a(6) =147a(7) =238a(8) =450a(9) =728a(10) =1304a(11) =2110a(12) =3652a(13) =5909a(14) =10001a(15) =16182a(16) =26984a(17) =43661a(18) =72085a(19) =116636a(20) =191284a(21) =309504a(22) =505312a(23) =817612a(24) =1330854a(25) =2153367a(26) =3498039a(27) =5659946a(28) =9181940

External references