Number of polyhexes of class PF2 (with two catafusenes annealated to pyrene).
A026118
Number of polyhexes of class PF2 (with two catafusenes annealated to pyrene).
Terms
- a(0) =5a(1) =20a(2) =100a(3) =431a(4) =1937a(5) =8548a(6) =38199a(7) =171001a(8) =770934a(9) =3492251a(10) =15905897a(11) =72785480a(12) =334571647a(13) =1544203452a(14) =7154247842a(15) =33260560977a(16) =155126129968a(17) =725639264293
External references
- oeis: A026118