Number of (1,1) pairs occurring at depth 3n of the Fibonacci tree.
A305573
Number of (1,1) pairs occurring at depth 3n of the Fibonacci tree.
Terms
- a(0) =1a(1) =5a(2) =27a(3) =152a(4) =879a(5) =5181a(6) =30980a(7) =187352a(8) =1143447a(9) =7031999a(10) =43524851a(11) =270892380a(12) =1694120644a(13) =10639643324a(14) =67071402168a(15) =424231073712
External references
- oeis: A305573