Number of permutations of floor(i*7/3), i=0..n-1, with all sums of 2 through 4 adjacent terms respectively unique.
A147937
Number of permutations of floor(i*7/3), 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) =74a(5) =368a(6) =2214a(7) =10892a(8) =69096a(9) =539954a(10) =3553936a(11) =28970266a(12) =277928108a(13) =2211165332a(14) =22140514554a(15) =252424615916
External references
- oeis: A147937