Number of permutations of floor(i*9/7), i=0..n-1, with all sums of 5 adjacent terms unique.
A152367
Number of permutations of floor(i*9/7), i=0..n-1, with all sums of 5 adjacent terms unique.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =24a(4) =120a(5) =720a(6) =4560a(7) =32784a(8) =259824a(9) =2204160a(10) =21539248a(11) =227702704a(12) =2544178072a(13) =30616778318a(14) =399978020816
External references
- oeis: A152367