Number of permutations of floor(i*9/8), i=0..n-1, with all sums of 3 adjacent terms unique.
A152331
Number of permutations of floor(i*9/8), i=0..n-1, with all sums of 3 adjacent terms unique.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =24a(4) =96a(5) =520a(6) =2888a(7) =19256a(8) =141384a(9) =1153758a(10) =9954096a(11) =95113642a(12) =954777378a(13) =10374152650a(14) =118690353388
External references
- oeis: A152331