a(n) = a(n-1) XOR (a(n-1) + a(n-2)), with a(1)=1, a(2)=3, where XOR is the binary exclusive OR operation.
A099810
a(n) = a(n-1) XOR (a(n-1) + a(n-2)), with a(1)=1, a(2)=3, where XOR is the binary exclusive OR operation.
Terms
- a(0) =1a(1) =3a(2) =7a(3) =13a(4) =25a(5) =63a(6) =103a(7) =193a(8) =489a(9) =835a(10) =1647a(11) =4061a(12) =6545a(13) =12543a(14) =31343a(15) =53505a(16) =105073a(17) =258307a(18) =424567a(19) =790797a(20) =2005641a(21) =3420447a(22) =6748855a(23) =16634209a(24) =26811769a(25) =51377059a(26) =128377535a(27) =219165917a(28) =430383937a(29) =1058044767
External references
- oeis: A099810