Total number of occurrences of the pattern 1=2 in all preferential arrangements (or ordered partitions) of n elements.
A240797
Total number of occurrences of the pattern 1=2 in all preferential arrangements (or ordered partitions) of n elements.
Terms
- a(0) =0a(1) =1a(2) =9a(3) =78a(4) =750a(5) =8115a(6) =98343a(7) =1324204a(8) =19650060a(9) =318926745a(10) =5623615965a(11) =107093749818
External references
- oeis: A240797