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

A024862

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

Terms

    a(0) =3a(1) =5a(2) =17a(3) =23a(4) =50a(5) =62a(6) =110a(7) =130a(8) =205a(9) =235a(10) =343a(11) =385a(12) =532a(13) =588a(14) =780a(15) =852a(16) =1095a(17) =1185a(18) =1485a(19) =1595a(20) =1958a(21) =2090a(22) =2522a(23) =2678a(24) =3185a(25) =3367a(26) =3955a(27) =4165a(28) =4840a(29) =5080

External references