Half the number of length n integer sequences with sum zero and sum of squares 1250.
A157557
Half the number of length n integer sequences with sum zero and sum of squares 1250.
Terms
- a(0) =1a(1) =3a(2) =222a(3) =7810a(4) =245715a(5) =7887621a(6) =271336828a(7) =9598223664a(8) =323149486005
External references
- oeis: A157557