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={0,1}.
A079994
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={0,1}.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =1a(4) =3a(5) =9a(6) =13a(7) =25a(8) =59a(9) =147a(10) =328a(11) =690a(12) =1478a(13) =3285a(14) =7357a(15) =16249a(16) =35561a(17) =77974a(18) =171891a(19) =379401a(20) =835954a(21) =1839288a(22) =4047688a(23) =8914186a(24) =19636159a(25) =43244340a(26) =95216488a(27) =209653186a(28) =461673635a(29) =1016681969
External references
- oeis: A079994