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

A024603

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

Terms

    a(0) =2a(1) =3a(2) =14a(3) =22a(4) =57a(5) =81a(6) =160a(7) =212a(8) =355a(9) =429a(10) =662a(11) =794a(12) =1147a(13) =1329a(14) =1822a(15) =2092a(16) =2759a(17) =3109a(18) =3978a(19) =4376a(20) =5469a(21) =6001a(22) =7346a(23) =7938a(24) =9567a(25) =10287a(26) =12236a(27) =13148a(28) =15437a(29) =16491

External references