Half the number of length n integer sequences with sum zero and sum of squares 32.
A157536
Half the number of length n integer sequences with sum zero and sum of squares 32.
Terms
- a(0) =1a(1) =3a(2) =6a(3) =110a(4) =1095a(5) =7161a(6) =37919a(7) =182367a(8) =860400a(9) =3893395a(10) =17126571a(11) =73368945a(12) =300879670a(13) =1173812745a(14) =4380376770a(15) =15753693858a(16) =54909242667a(17) =186135465987a(18) =614751720490
External references
- oeis: A157536