Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=1, r=5, I={0,2}.
A079966
Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=1, r=5, I={0,2}.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =0a(4) =2a(5) =1a(6) =4a(7) =2a(8) =7a(9) =5a(10) =14a(11) =12a(12) =27a(13) =26a(14) =53a(15) =57a(16) =106a(17) =122a(18) =212a(19) =258a(20) =428a(21) =543a(22) =868a(23) =1135a(24) =1766a(25) =2364a(26) =3605a(27) =4910a(28) =7374a(29) =10175
External references
- oeis: A079966