a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = A023531, t = (odd natural numbers).

A024886

a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = A023531, t = (odd natural numbers).

Terms

    a(0) =0a(1) =0a(2) =5a(3) =7a(4) =9a(5) =11a(6) =13a(7) =15a(8) =28a(9) =32a(10) =36a(11) =40a(12) =44a(13) =48a(14) =52a(15) =56a(16) =79a(17) =85a(18) =91a(19) =97a(20) =103a(21) =109a(22) =115a(23) =121a(24) =127a(25) =133a(26) =168a(27) =176a(28) =184a(29) =192

External references