Number of arrangements of n+1 nonzero numbers x(i) in -7..7 with the sum of floor(x(i)/x(i+1)) equal to zero.
A189496
Number of arrangements of n+1 nonzero numbers x(i) in -7..7 with the sum of floor(x(i)/x(i+1)) equal to zero.
Terms
- a(0) =42a(1) =380a(2) =3850a(3) =45892a(4) =567774a(5) =7269852a(6) =93830584a(7) =1218634086a(8) =15936391068a(9) =209537582772
External references
- oeis: A189496