Number of length n arrays of permutations of 0..n-1 with each element moved by -2 to 2 places and every four consecutive elements having its maximum within 4 of its minimum.
A263711
Number of length n arrays of permutations of 0..n-1 with each element moved by -2 to 2 places and every four consecutive elements having its maximum within 4 of its minimum.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =14a(4) =31a(5) =34a(6) =39a(7) =46a(8) =64a(9) =104a(10) =161a(11) =249a(12) =385a(13) =561a(14) =845a(15) =1254a(16) =1871a(17) =2833a(18) =4228a(19) =6359a(20) =9545a(21) =14273a(22) =21453a(23) =32133a(24) =48184a(25) =72323a(26) =108363a(27) =162592a(28) =243817a(29) =365545
External references
- oeis: A263711