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

A024878

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

Terms

    a(0) =6a(1) =9a(2) =27a(3) =44a(4) =96a(5) =155a(6) =299a(7) =484a(8) =874a(9) =1414a(10) =2456a(11) =3974a(12) =6736a(13) =10899a(14) =18185a(15) =29424a(16) =48588a(17) =78617a(18) =128933a(19) =208618a(20) =340580a(21) =551070a(22) =896928a(23) =1451260a(24) =2357338a(25) =3814253a(26) =6187383a(27) =10011396a(28) =16225928a(29) =26254103

External references