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

A024591

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

Terms

    a(0) =1a(1) =2a(2) =7a(3) =11a(4) =27a(5) =44a(6) =96a(7) =155a(8) =315a(9) =510a(10) =994a(11) =1608a(12) =3043a(13) =4924a(14) =9123a(15) =14761a(16) =26909a(17) =43540a(18) =78370a(19) =126805a(20) =225911a(21) =365532a(22) =645732a(23) =1044816a(24) =1832677a(25) =2965334a(26) =5170111a(27) =8365415

External references