Half the number of length n integer sequences with sum zero and sum of squares 98.
A157539
Half the number of length n integer sequences with sum zero and sum of squares 98.
Terms
- a(0) =1a(1) =9a(2) =54a(3) =430a(4) =5265a(5) =51471a(6) =471996a(7) =4601556a(8) =43269345a(9) =363940555a(10) =2806131702a(11) =20371562718a(12) =141703205917a(13) =953199973950
External references
- oeis: A157539