Number of zero-sum -4..4 arrays of n elements with adjacent element differences also in -4..4.
A202248
Number of zero-sum -4..4 arrays of n elements with adjacent element differences also in -4..4.
Terms
- a(0) =1a(1) =5a(2) =27a(3) =171a(4) =1077a(5) =6963a(6) =45523a(7) =300417a(8) =1995897a(9) =13332697a(10) =89461271a(11) =602525231a(12) =4070925653a(13) =27580062519a(14) =187294750351
External references
- oeis: A202248