Half the number of length n integer sequences with sum zero and sum of squares 162.
A157541
Half the number of length n integer sequences with sum zero and sum of squares 162.
Terms
- a(0) =1a(1) =3a(2) =54a(3) =610a(4) =7575a(5) =124005a(6) =1721692a(7) =21584676a(8) =254430555a(9) =2752913955a(10) =27276416970a(11) =252510790038
External references
- oeis: A157541