a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (F(2), F(3), F(4), ...), t = (primes).

A025111

a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (F(2), F(3), F(4), ...), t = (primes).

Terms

    a(0) =3a(1) =5a(2) =17a(3) =25a(4) =56a(5) =76a(6) =147a(7) =177a(8) =321a(9) =389a(10) =674a(11) =784a(12) =1321a(13) =1549a(14) =2571a(15) =2967a(16) =4876a(17) =5390a(18) =8809a(19) =9879a(20) =16081a(21) =17501a(22) =28426a(23) =30656a(24) =49727a(25) =54357a(26) =88083a(27) =96267a(28) =155902a(29) =167768

External references