a(n) = total number of occurrences of the consecutive pattern 1324 in all permutations of [n+3].
A061206
a(n) = total number of occurrences of the consecutive pattern 1324 in all permutations of [n+3].
Terms
- a(0) =1a(1) =10a(2) =90a(3) =840a(4) =8400a(5) =90720a(6) =1058400a(7) =13305600a(8) =179625600a(9) =2594592000a(10) =39956716800a(11) =653837184000
External references
- oeis: A061206