a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = A023531, t = A000201 (lower Wythoff sequence).
A024887
a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = A023531, t = A000201 (lower Wythoff sequence).
Terms
- a(0) =0a(1) =0a(2) =4a(3) =6a(4) =8a(5) =9a(6) =11a(7) =12a(8) =23a(9) =27a(10) =29a(11) =33a(12) =37a(13) =39a(14) =43a(15) =46a(16) =65a(17) =70a(18) =74a(19) =80a(20) =84a(21) =89a(22) =94a(23) =98a(24) =104a(25) =109a(26) =137a(27) =143a(28) =150a(29) =157
External references
- oeis: A024887