a(n) = s(1)*t(n) + s(2)*t(n-1) + ... + s(k)*t(n+1-k), where k = floor((n+1)/2), s = (odd natural numbers), t = A023533.

A024601

a(n) = s(1)*t(n) + s(2)*t(n-1) + ... + s(k)*t(n+1-k), where k = floor((n+1)/2), s = (odd natural numbers), t = A023533.

Terms

    a(0) =1a(1) =0a(2) =0a(3) =1a(4) =3a(5) =5a(6) =7a(7) =0a(8) =0a(9) =1a(10) =3a(11) =5a(12) =7a(13) =9a(14) =11a(15) =13a(16) =15a(17) =17a(18) =19a(19) =1a(20) =3a(21) =5a(22) =7a(23) =9a(24) =11a(25) =13a(26) =15a(27) =17a(28) =19a(29) =21

External references