Four-column table read by rows: number of nonisomorphic systems of catafusenes in an example (see Cyvin et al. (1994) for precise definition).
A121178
Four-column table read by rows: number of nonisomorphic systems of catafusenes in an example (see Cyvin et al. (1994) for precise definition).
Terms
- a(0) =1a(1) =0a(2) =0a(3) =0a(4) =2a(5) =2a(6) =0a(7) =0a(8) =6a(9) =5a(10) =1a(11) =0a(12) =19a(13) =26a(14) =5a(15) =1a(16) =71a(17) =101a(18) =31a(19) =2a(20) =274a(21) =457a(22) =160a(23) =16a(24) =1117a(25) =1978a(26) =825a(27) =80a(28) =4650a(29) =8851
External references
- oeis: A121178