Array read by ascending antidiagonals: A(n,k) is the number of acyclic de Bruijn sequences of order k and alphabet of size n, with k > 0.
A373341
Array read by ascending antidiagonals: A(n,k) is the number of acyclic de Bruijn sequences of order k and alphabet of size n, with k > 0.
Terms
- a(0) =1a(1) =2a(2) =1a(3) =6a(4) =4a(5) =1a(6) =24a(7) =216a(8) =16a(9) =1a(10) =120a(11) =331776a(12) =10077696a(13) =256a(14) =1a(15) =720a(16) =24883200000a(19) =65536a(20) =1
External references
- oeis: A373341