Half the number of length n integer sequences with sum zero and sum of squares 200.
A157542
Half the number of length n integer sequences with sum zero and sum of squares 200.
Terms
- a(0) =1a(1) =3a(2) =42a(3) =930a(4) =17685a(5) =265041a(6) =3668483a(7) =44840097a(8) =529728300a(9) =5955342987a(10) =65311345275a(11) =699155920398
External references
- oeis: A157542