Number of length n arrays of permutations of 0..n-1 with each element moved by -5 to 5 places and with no two consecutive increases or two consecutive decreases.
A263663
Number of length n arrays of permutations of 0..n-1 with each element moved by -5 to 5 places and with no two consecutive increases or two consecutive decreases.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =10a(4) =32a(5) =122a(6) =422a(7) =1222a(8) =3302a(9) =9021a(10) =24558a(11) =69453a(12) =198750a(13) =569814a(14) =1618526a(15) =4609110a(16) =13012670a(17) =36977018a(18) =104466558a(19) =297190402a(20) =840584030a(21) =2392121298a(22) =6764980670a(23) =19248138770a(24) =54423938014a(25) =154841629474a(26) =437824909566
External references
- oeis: A263663