Number of length n reversible string structures that are not palindromic using any number of colors.
A327612
Number of length n reversible string structures that are not palindromic using any number of colors.
Terms
- a(0) =0a(1) =1a(2) =2a(3) =9a(4) =27a(5) =112a(6) =453a(7) =2137a(8) =10691a(9) =58435a(10) =340187a(11) =2110016a(12) =13829358a(13) =95474679a(14) =691538954a(15) =5240280999a(16) =41432965441a(17) =341040295916
External references
- oeis: A327612