Number of permutations of floor(i*5/4), i=0..n-1, with all sums of 2 through 5 adjacent terms respectively unique.
A147910
Number of permutations of floor(i*5/4), i=0..n-1, with all sums of 2 through 5 adjacent terms respectively unique.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =16a(4) =74a(5) =304a(6) =1424a(7) =6554a(8) =36720a(9) =207648a(10) =1210892a(11) =7147234a(12) =50179090a(13) =352778422a(14) =2561140390a(15) =18798019730
External references
- oeis: A147910