Number of 4-noncrossing RNA structures with arc-length => 4.
A140639
Number of 4-noncrossing RNA structures with arc-length => 4.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =5a(6) =15a(7) =51a(8) =179a(9) =647a(10) =2397a(11) =9081a(12) =35181a(13) =139307a(14) =563218
External references
- oeis: A140639