Number of permutations of floor(i*3/2), i=0..n-1, with all sums of two and three adjacent terms respectively unique.
A147892
Number of permutations of floor(i*3/2), i=0..n-1, with all sums of two and three adjacent terms respectively unique.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =16a(4) =74a(5) =368a(6) =1776a(7) =9624a(8) =57916a(9) =365502a(10) =2682244a(11) =20315800a(12) =175739338a(13) =1565766116a(14) =15452316746a(15) =156617881640
External references
- oeis: A147892