Number of functions of [n] to [n] that simultaneously avoid the patterns 112 and 221.
A093965
Number of functions of [n] to [n] that simultaneously avoid the patterns 112 and 221.
Terms
- a(0) =1a(1) =4a(2) =21a(3) =124a(4) =825a(5) =6186a(6) =51961a(7) =484968a(8) =4988241a(9) =56117710a(10) =685883121a(11) =9053657196a(12) =128397320233
External references
- oeis: A093965