a(n) = s(1)*t(n) + s(2)*t(n-1) + ... + s(k)*t(n-k+1), where k = floor(n/2), s = A023533, t = A014306.
A025126
a(n) = s(1)*t(n) + s(2)*t(n-1) + ... + s(k)*t(n-k+1), where k = floor(n/2), s = A023533, t = A014306.
Terms
- a(0) =1a(1) =1a(2) =0a(3) =1a(4) =1a(5) =1a(6) =2a(7) =2a(8) =1a(9) =2a(10) =2a(11) =1a(12) =2a(13) =2a(14) =2a(15) =2a(16) =2a(17) =2a(18) =2a(19) =3a(20) =3a(21) =2a(22) =3a(23) =3a(24) =3a(25) =3a(26) =3a(27) =2a(28) =3a(29) =3
External references
- oeis: A025126