Half the number of length n integer sequences with sum zero and sum of squares 512.
A157548
Half the number of length n integer sequences with sum zero and sum of squares 512.
Terms
- a(0) =1a(1) =3a(2) =6a(3) =1710a(4) =70215a(5) =1835001a(6) =38831135a(7) =747772191a(8) =14106580920a(9) =255318883105
External references
- oeis: A157548