a(n) = L(n+2) + c(n) where L(k) is the k-th Lucas number and c(n) is the n-th number that is 1 or 3 or is not a Lucas number.
A022810
a(n) = L(n+2) + c(n) where L(k) is the k-th Lucas number and c(n) is the n-th number that is 1 or 3 or is not a Lucas number.
Terms
- a(0) =5a(1) =9a(2) =14a(3) =23a(4) =35a(5) =55a(6) =85a(7) =133a(8) =211a(9) =335a(10) =535a(11) =858a(12) =1380a(13) =2224a(14) =3590a(15) =5798a(16) =9370a(17) =15149a(18) =24499a(19) =39627a(20) =64104a(21) =103708a(22) =167788a(23) =271471a(24) =439234a(25) =710678a(26) =1149883a(27) =1860531a(28) =3010383a(29) =4870882
External references
- oeis: A022810