a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = A000201 (lower Wythoff sequence), t = A014306.
A025121
a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = A000201 (lower Wythoff sequence), t = A014306.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =1a(4) =4a(5) =8a(6) =14a(7) =14a(8) =21a(9) =19a(10) =27a(11) =25a(12) =34a(13) =33a(14) =43a(15) =42a(16) =54a(17) =68a(18) =83a(19) =81a(20) =97a(21) =95a(22) =112a(23) =111a(24) =130a(25) =129a(26) =149a(27) =147a(28) =170a(29) =168
External references
- oeis: A025121