Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=3, r=3, I={-1,0,1,2}.
A079982
Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=3, r=3, I={-1,0,1,2}.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =1a(7) =0a(8) =0a(9) =0a(10) =1a(11) =4a(12) =1a(13) =1a(14) =1a(15) =1a(16) =10a(17) =10a(18) =7a(19) =7a(20) =11a(21) =20a(22) =50a(23) =40a(24) =49a(25) =61a(26) =85a(27) =175a(28) =225a(29) =265
External references
- oeis: A079982