Total number of consecutive triples of the form (odd, even, odd) or (even, odd, even) in all permutations of [n].
A329550
Total number of consecutive triples of the form (odd, even, odd) or (even, odd, even) in all permutations of [n].
Terms
- a(0) =0a(1) =0a(2) =0a(3) =2a(4) =16a(5) =108a(6) =864a(7) =7200a(8) =69120a(9) =705600a(10) =8064000a(11) =97977600a(12) =1306368000a(13) =18441561600a(14) =281652940800
External references
- oeis: A329550