Nearest integer to absolute value of the function f(n) where f(n) is the derivative of F(n) = ((1/2+sqrt(5)/2)^n-(1/2-sqrt(5)/2)^n)/sqrt(5) with respect to n.

A270925

Nearest integer to absolute value of the function f(n) where f(n) is the derivative of F(n) = ((1/2+sqrt(5)/2)^n-(1/2-sqrt(5)/2)^n)/sqrt(5) with respect to n.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =2a(6) =4a(7) =6a(8) =10a(9) =16a(10) =26a(11) =43a(12) =69a(13) =112a(14) =181a(15) =294a(16) =475a(17) =768a(18) =1243a(19) =2012a(20) =3255a(21) =5267a(22) =8523a(23) =13790a(24) =22313a(25) =36103a(26) =58416a(27) =94519a(28) =152934a(29) =247453

External references