a(n) = s(1)*t(n) + s(2)*t(n-1) + ... + s(k)*t(n+1-k), where k = floor((n+1)/2), s = A023531, t = (1, p(1), p(2), ... ).

A024320

a(n) = s(1)*t(n) + s(2)*t(n-1) + ... + s(k)*t(n+1-k), where k = floor((n+1)/2), s = A023531, t = (1, p(1), p(2), ... ).

Terms

    a(0) =0a(1) =0a(2) =2a(3) =3a(4) =5a(5) =7a(6) =11a(7) =13a(8) =24a(9) =30a(10) =36a(11) =46a(12) =50a(13) =60a(14) =70a(15) =74a(16) =103a(17) =117a(18) =131a(19) =139a(20) =157a(21) =171a(22) =177a(23) =193a(24) =207a(25) =221a(26) =278a(27) =294a(28) =310a(29) =330

External references