Number of permutations of 1..n containing the relative rank sequence { 235164 } at any spacing.
A159146
Number of permutations of 1..n containing the relative rank sequence { 235164 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =895a(3) =18258a(4) =344232a(5) =6263585a(6) =112602011a(7) =2027853814a(8) =36907675875a(9) =682950675146
External references
- oeis: A159146