Number of permutations of 1..n with i-10<=p(i)<=i+7.
A179367
Number of permutations of 1..n with i-10<=p(i)<=i+7.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =24a(4) =120a(5) =720a(6) =5040a(7) =40320a(8) =322560a(9) =2580480a(10) =20643840a(11) =153049680a(12) =1072682640a(13) =7245211560a(14) =47949217656a(15) =315074391738
External references
- oeis: A179367