Number of permutations of 1..n containing the relative rank sequence { 153426 } at any spacing.
A159123
Number of permutations of 1..n containing the relative rank sequence { 153426 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =893a(3) =18148a(4) =340541a(5) =6165196a(6) =110301827a(7) =1978314150a(8) =35896762843
External references
- oeis: A159123