Half the number of length n integer sequences with sum zero and sum of squares 50.
A157537
Half the number of length n integer sequences with sum zero and sum of squares 50.
Terms
- a(0) =1a(1) =3a(2) =42a(3) =310a(4) =1965a(5) =12621a(6) =86828a(7) =614664a(8) =4137255a(9) =24696507a(10) =135776850a(11) =704076594a(12) =3499379975a(13) =16814719845a(14) =78438871176a(15) =355384933088
External references
- oeis: A157537