Number of permutations of floor(i*9/7), i=0..n-1, with all sums of 3 adjacent terms unique.
A152330
Number of permutations of floor(i*9/7), i=0..n-1, with all sums of 3 adjacent terms unique.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =24a(4) =104a(5) =572a(6) =3188a(7) =20956a(8) =161600a(9) =1295136a(10) =11618224a(11) =116270992a(12) =1227612062a(13) =13832165114a(14) =168852764168
External references
- oeis: A152330