Number of permutations avoiding 132 of length 3n composed of only 3-cycles.
A350645
Number of permutations avoiding 132 of length 3n composed of only 3-cycles.
Terms
- a(0) =1a(1) =2a(2) =8a(3) =36a(4) =170a(5) =824a(6) =4060a(7) =20232a(8) =101664a(9) =514140a(10) =2613468a(11) =13340496a(12) =68335644a(13) =351087128a(14) =1808405600a(15) =9335697424a(16) =48289295226a(17) =250213951992
External references
- oeis: A350645