a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = A023532, t = (Lucas numbers).

A024368

a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = A023532, t = (Lucas numbers).

Terms

    a(0) =1a(1) =3a(2) =4a(3) =7a(4) =15a(5) =25a(6) =47a(7) =76a(8) =123a(9) =199a(10) =340a(11) =550a(12) =919a(13) =1487a(14) =2453a(15) =3969a(16) =6422a(17) =10391a(18) =16936a(19) =27403a(20) =44538a(21) =72064a(22) =116924a(23) =189187a(24) =306632a(25) =496141a(26) =802773a(27) =1298914a(28) =2103051a(29) =3402808

External references