Number of permutations of floor(i*8/3), i=0..n-1, with all sums of 2 through 5 adjacent terms respectively unique.
A147948
Number of permutations of floor(i*8/3), 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) =2214a(7) =13736a(8) =74156a(9) =544746a(10) =4324788a(11) =30292498a(12) =269800764a(13) =2608556020a(14) =21489980046a(15) =228274108362
External references
- oeis: A147948