Number of permutations of floor(i*5/3), i=0..n-1, with all sums of 2 through 4 adjacent terms respectively unique.
A147935
Number of permutations of floor(i*5/3), i=0..n-1, with all sums of 2 through 4 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) =435476a(10) =3164992a(11) =22053858a(12) =185988918a(13) =1662793672a(14) =13930931162a(15) =141475507468
External references
- oeis: A147935