Number of -6..6 arrays of n elements with first and second differences also in -6..6.
A201086
Number of -6..6 arrays of n elements with first and second differences also in -6..6.
Terms
- a(0) =13a(1) =127a(2) =967a(3) =7581a(4) =59533a(5) =468159a(6) =3681179a(7) =28943479a(8) =227567727a(9) =1789258703a(10) =14068129953a(11) =110611309721a(12) =869686276975
External references
- oeis: A201086