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

A025098

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

Terms

    a(0) =3a(1) =5a(2) =22a(3) =32a(4) =74a(5) =100a(6) =199a(7) =239a(8) =436a(9) =530a(10) =922a(11) =1074a(12) =1815a(13) =2129a(14) =3540a(15) =4086a(16) =6724a(17) =7432a(18) =12157a(19) =13635a(20) =22204a(21) =24166a(22) =39262a(23) =42342a(24) =68697a(25) =75095a(26) =121702a(27) =133012a(28) =215424a(29) =231818

External references