Number of permutations of floor(i*5/3), i=0..n-1, with all sums of 2 through 5 adjacent terms respectively unique.
A147944
Number of permutations of floor(i*5/3), i=0..n-1, with all sums of 2 through 5 adjacent terms respectively unique.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =24a(4) =96a(5) =376a(6) =2062a(7) =12092a(8) =63082a(9) =415428a(10) =3005932a(11) =20298160a(12) =163268244a(13) =1387772596a(14) =10981291276a(15) =104953969248
External references
- oeis: A147944