a(n) = Sum_{k=0..n} binomial(n,k)^2*Lucas(k) where Lucas(n) = A000032(n).
A219673
a(n) = Sum_{k=0..n} binomial(n,k)^2*Lucas(k) where Lucas(n) = A000032(n).
Terms
- a(0) =2a(1) =3a(2) =9a(3) =42a(4) =197a(5) =913a(6) =4302a(7) =20611a(8) =99773a(9) =486438a(10) =2385319a(11) =11752931a(12) =58139858a(13) =288572079a(14) =1436398329a(15) =7167499522a(16) =35842352013a(17) =179576501169a(18) =901226053422
External references
- oeis: A219673