Number of perifusenes with one internal vertex and symmetry point group C_s.

A038381

Number of perifusenes with one internal vertex and symmetry point group C_s.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =4a(6) =23a(7) =103a(8) =477a(9) =2132a(10) =9647a(11) =43549a(12) =197757a(13) =901162a(14) =4125636a(15) =18962997a(16) =87508095a(17) =405285316a(18) =1883445191a(19) =8780327545a(20) =41052409755a(21) =192461538607a(22) =904573028990

External references