a(0) = 1, a(n) = Fibonacci(2*n). It has the property that a(n) = 1*a(n-1) + 2*a(n-2) + 3*a(n-3) + 4*a(n-4) + ...

A088305

a(0) = 1, a(n) = Fibonacci(2*n). It has the property that a(n) = 1*a(n-1) + 2*a(n-2) + 3*a(n-3) + 4*a(n-4) + ...

Terms

    a(0) =1a(1) =1a(2) =3a(3) =8a(4) =21a(5) =55a(6) =144a(7) =377a(8) =987a(9) =2584a(10) =6765a(11) =17711a(12) =46368a(13) =121393a(14) =317811a(15) =832040a(16) =2178309a(17) =5702887a(18) =14930352a(19) =39088169a(20) =102334155a(21) =267914296a(22) =701408733a(23) =1836311903a(24) =4807526976a(25) =12586269025a(26) =32951280099a(27) =86267571272a(28) =225851433717

External references