a(n) = s(1)*t(n) + s(2)*t(n-1) + ... + s(k)*t(n-k+1), where k = [ n/2 ], s = (F(2), F(3), F(4), ...), t = (odd natural numbers).
A025106
a(n) = s(1)*t(n) + s(2)*t(n-1) + ... + s(k)*t(n-k+1), where k = [ n/2 ], s = (F(2), F(3), F(4), ...), t = (odd natural numbers).
Terms
- a(0) =3a(1) =5a(2) =17a(3) =23a(4) =50a(5) =62a(6) =119a(7) =141a(8) =251a(9) =289a(10) =496a(11) =560a(12) =939a(13) =1045a(14) =1729a(15) =1903a(16) =3122a(17) =3406a(18) =5559a(19) =6021a(20) =9795a(21) =10545a(22) =17120a(23) =18336a(24) =29731a(25) =31701a(26) =51361a(27) =54551a(28) =88338a(29) =93502
External references
- oeis: A025106