Number of arrays of n+2 integers in -4..4 with sum zero and adjacent elements differing in absolute value.
A202958
Number of arrays of n+2 integers in -4..4 with sum zero and adjacent elements differing in absolute value.
Terms
- a(0) =36a(1) =268a(2) =1562a(3) =9884a(4) =66208a(5) =447528a(6) =3020170a(7) =20430512a(8) =139027620a(9) =950710524a(10) =6520317018a(11) =44823140280a(12) =308853569150
External references
- oeis: A202958