Number of polyhexes of class PF2 (with one catafusene annealated to pyrene).
A026106
Number of polyhexes of class PF2 (with one catafusene annealated to pyrene).
Terms
- a(0) =2a(1) =5a(2) =16a(3) =55a(4) =208a(5) =817a(6) =3336a(7) =13935a(8) =59406a(9) =257079a(10) =1126948a(11) =4992421a(12) =22318048a(13) =100546543a(14) =456055730a(15) =2080872845a(16) =9544572590a(17) =43984730855a(18) =203550840696a(19) =945562887981
External references
- oeis: A026106