Convolution of Lucas numbers and A023533.

Terms

a(0) =1a(1) =3a(2) =4a(3) =8a(4) =14a(5) =22a(6) =36a(7) =58a(8) =94a(9) =153a(10) =249a(11) =402a(12) =651a(13) =1053a(14) =1704a(15) =2757a(16) =4461a(17) =7218a(18) =11679a(19) =18898a(20) =30579a(21) =49477a(22) =80056a(23) =129533a(24) =209589a(25) =339122a(26) =548711a(27) =887833a(28) =1436544a(29) =2324377