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 = A014306.
A024327
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 = A014306.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =1a(4) =0a(5) =1a(6) =1a(7) =1a(8) =2a(9) =2a(10) =1a(11) =2a(12) =2a(13) =1a(14) =2a(15) =2a(16) =3a(17) =2a(18) =3a(19) =3a(20) =2a(21) =3a(22) =3a(23) =2a(24) =3a(25) =3a(26) =4a(27) =3a(28) =4a(29) =4
External references
- oeis: A024327