Number of sequences with 6 copies each of 1,2,...,n avoiding the pattern 12...n.
A269116
Number of sequences with 6 copies each of 1,2,...,n avoiding the pattern 12...n.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =224296a(4) =132279480115
External references
- oeis: A269116