Number of nodes on a tree with degree 11 interior nodes and degree 1 boundary nodes.
A090843
Number of nodes on a tree with degree 11 interior nodes and degree 1 boundary nodes.
Terms
- a(0) =1a(1) =12a(2) =122a(3) =1222a(4) =12222a(5) =122222a(6) =1222222a(7) =12222222a(8) =122222222a(9) =1222222222a(10) =12222222222a(11) =122222222222
External references
- oeis: A090843